```json
{
  "request_url": "https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/fastidentity/smiles/CC1%3DCC%3DC%28C%3DC1%29C2%3DCC%28%3DNN2C3%3DCC%3DC%28C%3DC3%29S%28%3DO%29%28%3DO%29N%29C%28F%29%28F%29F/cids/JSON?identity_type=same_stereo_isotope",
  "response": {
    "IdentifierList": {
      "CID": [
        2662
      ]
    }
  }
}
```