[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is azobenzene carrying a single sulfonate substituent at the para-position. It is an arenesulfonic acid and a member of azobenzenes. It is a conjugate acid of a p-azobenzenesulfonate."}]