[{"from": "human", "value": "Provide a description of this molecule. [C][N][Branch1][C][C][C][=C][Branch1][O][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=O][Br]"}, {"from": "gpt", "value": "The molecule is benzaldehyde substituted at the 4-position by an N,N-dimethylamino group and at C-3 by bromine."}]