[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@][Branch2][Ring1][=Branch1][C][C][C][C@@][Branch1][Branch2][C@@H1][Ring1][=Branch1][C][C][Ring1][N][Branch1][C][C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is an abietane diterpenoid that is abieta-8,11,13-triene substituted at position 18 by a carboxy group. It has a role as a metabolite and an allergen. It is an abietane diterpenoid, a monocarboxylic acid and a carbotricyclic compound. It is functionally related to an abietic acid. It is a conjugate acid of a dehydroabietate."}]