[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch1][N][C][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "The molecule appears as yellow rhombic needles (from water) or bright yellow powder. "}]