How do I fix this coding issue?

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C++

I get the error "52:1: error: expected unqualified-id before '{' token". I'm using tinkercad to program my project before I assemble it. This code is for a PIR sensor and a buzzer combined with the coding for a ultrasonic sensor with a buzzer. I'm very new to coding I've never done it before so I used a two YouTube videos to help me with the circuit and the coding. the error is the "{" above the line "//Clears the trigPin"

int pinSensor =2;
int pinLed =12;
int pinBuzzer =13;
int pirSensor =0;

// defines pins numbers
const int trigPin = 9;
const int echoPin = 10;
const int buzzer = 11;
const int ledPin = 13;

// defines variables
long duration;
int distance;
int safetyDistance;


void setup()
{
  pinMode(pinSensor, INPUT);
  pinMode(pinLed, OUTPUT);
  pinMode(pinBuzzer, OUTPUT);

pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
pinMode(echoPin, INPUT); // Sets the echoPin as an Input
pinMode(buzzer, OUTPUT);
pinMode(ledPin, OUTPUT);
Serial.begin(9600); // Starts the serial communication
}

void loop()
{

  pirSensor = digitalRead(pinSensor);
  if (pirSensor == HIGH)
  {

    digitalWrite(pinLed, HIGH);
    tone(pinBuzzer, 1000, 500);

  }

  else {

    digitalWrite(pinLed, LOW);
  }

  delay(10);
}

{
// Clears the trigPin
digitalWrite(trigPin, LOW);
delayMicroseconds(2);

// Sets the trigPin on HIGH state for 10 micro seconds
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);

// Reads the echoPin, returns the sound wave travel time in microseconds
duration = pulseIn(echoPin, HIGH);

// Calculating the distance
distance= duration*0.034/2;

safetyDistance = distance;
if (safetyDistance <= 5){
  digitalWrite(buzzer, HIGH);
  digitalWrite(ledPin, HIGH);
}
else{
  digitalWrite(buzzer, LOW);
  digitalWrite(ledPin, LOW);
}

// Prints the distance on the Serial Monitor
Serial.print("Distance: ");
Serial.println(distance);
}

What I have tried:

I tried searching on how to combine two codes