[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch1][Branch2][=C][C][=C][Ring1][=Branch1][N+1][#N][As][=Branch1][C][=O][Branch1][C][O][O-1]"}, {"from": "gpt", "value": "The molecule is the aromatic diazonium ion that is diazotised 4-aminophenylarsonic acid. It has a role as a hapten. It is functionally related to a phenylarsonate(1-)."}]