[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][Branch2][Ring1][Ring2][C][=C][C][=N+1][Ring1][=Branch1][C][C][=C][N][=C][Branch1][=Branch1][N][=C][Ring1][=Branch1][N][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a pyridinium ion that is 3-(2-hydroxyethyl)-2-methylpyridine substituted at position 1 by a (4-amino-2-methylpyrimidin-5-yl)methyl group."}]