[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][#Branch2][C][C][C][C][C][C][C][C][=C][C][=O]"}, {"from": "gpt", "value": "The molecule is a monounsaturated fatty acid aldehyde that is undec-10-enal substituted at position 2 by a methyl group. It is a 2-methyl-branched fatty aldehyde and a monounsaturated fatty aldehyde."}]