[{"from": "human", "value": "Provide a description of this molecule. [C][N+1][=C][C][=C][C][=C][Ring1][=Branch1][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a pyridinium cation with a methyl substituent at the 1-position and a 4-(dimethylamino)styryl substituent at the 2-position. It has a role as a fluorochrome. It is a tertiary amine and a pyridinium ion."}]