[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an aromatic ketone in which the two substituents on the carbonyl C atom are phenyl and ethyl. It has a role as a fragrance."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]