[{"from": "human", "value": "Provide a description of this molecule. [C][O][C][=C][C][=C][Branch1][#Branch2][C][=Branch1][C][=O][C][Ring1][#Branch1][=N+1][=N-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of cremeomycin resulting from the deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a cremeomycin."}]