[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an octadecanoate ester obtained by formal condensation between the carboxy group of octadecanoic (stearic) acid and the hydroxy group of ethanol. It has a role as a plant metabolite. It is a long-chain fatty acid ethyl ester and an octadecanoate ester."}, {"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][C][C]"}]