[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][Branch2][=C][C][=C][Ring1][=Branch1][N+1][#N][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the aromatic diazonium ion that is diazotised 4-aminobenzenesulfonic acid. It has a role as a hapten. It is functionally related to a benzenesulfonate."}]