[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a monocarboxylic acid anion that is the conjugate base of ent-kaur-16-en-19-oic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of an ent-kaur-16-en-19-oic acid."}, {"from": "gpt", "value": "[C][C@@][C][C][C][C@@][Branch2][Ring1][=Branch2][C@H1][Ring1][=Branch1][C][C][C@][C@H1][Ring1][#Branch2][C][C][C@H1][Branch1][Ring2][C][Ring1][=Branch1][C][=Branch1][C][=C][C][Ring1][=Branch2][Branch1][C][C][C][=Branch1][C][=O][O-1]"}]