[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][=C][Ring1][=Branch1][Branch1][C][C][C][/C][=C][/C][=Branch1][O][=C][/C][=C][/C][=Branch1][Ring2][=C][/C][=O][/C][/C]"}, {"from": "gpt", "value": "The molecule is a retinal which contains an additional double bond between the 3 and 4 positions of the six-membered ring, and in which all of the double bonds in the side chain have the E-configuration."}]