[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C@H1][C@@H1][Branch2][Ring2][=Branch2][C@@][C][C][=Branch1][C][=C][C@@][Branch1][Ring2][C][Ring1][=Branch1][Branch2][Ring1][=Branch2][C][C][C@H1][Ring1][=Branch2][C@@][Ring1][N][Branch1][=Branch2][C][C@H1][C@@H1][Ring1][S][O][Ring1][Ring1][O][C][Ring2][Ring1][Ring1][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a C19-gibberellin, initially identified in Phaseolus coccineus and differing from gibberellin A1 by the conversion of the OH at C-2 (gibbane numbering) into an epoxide across C-2 and C-3. It is a lactone, a C19-gibberellin and a gibberellin monocarboxylic acid."}]