[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][Branch2][=C][Branch1][Ring2][N][Ring1][=Branch1][O][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an indol-3-yl carboxylic acid anion resulting from the deprotonation of the carboxy group of 2-hydroxy-(indol-3-yl)acetic acid. This is a very minor tautomer; the major tautomer is the corresponding oxindole. It is a conjugate base of a 2-hydroxy-(indol-3-yl)acetic acid."}]