Validating invalid JSON [closed]

I am trying to validate JSON but i keep getting this error:

Error: Parse error on line 1:
{“id”:1,”Lst_Envir
-^
Expecting ‘STRING’, ‘}’, got ‘undefined’

Here is the code:

{"id":3"Lst_Environmental":[{"id":0,"EnvironmentalItemID":"f-4cb4-9b77-27d5489e2442","EnvironmentalItem_GUID":"f1a-43e4-8885-5e96eee6bf0f","EmergencyPlanReviewed":true,"DMECheckComplete":true,"EmergencyEquipmentCheckComplete":true,"RespToGoBagCheckComplete":false,"GIToGoBagCheckComplete":false,"Other":false,"OtherDetailsText":null,"EnvironmentalItemTime":"05/2/2023 12:05:24","EnvironmentalItemTimeDT":"2024-05-30 12:05:24","LastChangedTimeUTC":"5/5/2024 4:05:27 PM"}],"VisitId":5981,"Environmental_GUID":"0d552e7a-0f1a-43e4-8885-5e96eee6bf0f","Environmental":"1111","InitialEnvironmentalTime":"06/30/2024 11:48:00"}

I tried removing all the (“) but didn’t work