[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][Branch1][O][C][=C][C][=C][C][=C][Ring1][=C][Ring1][=Branch1][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is anthracene substituted at C-9 by a propionic acid group and at C-10 by a methyl group. It is a member of anthracenes and a monocarboxylic acid."}]