[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch1][=N][=C][C][=C][Ring1][=Branch1][C][C][C][=Branch1][C][=O][O][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid that is 3-phenylpropionic acid in which the hydrogen at the para position of the phennyl group has been replaced by a nitro group. It has a role as a chromogenic compound. It is a monocarboxylic acid and a C-nitro compound. It is functionally related to a 3-phenylpropionic acid."}]