[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is the cis-isomer of octadec-6-enoic acid, a long-chain fatty acid. It has a role as a plant metabolite. It is a conjugate acid of a petroselinate."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][/C][=C][\\C][C][C][C][C][=Branch1][C][=O][O]"}]