[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C][N][Branch2][Ring1][=Branch1][C][N][Ring1][Branch1][C][=C][Branch1][Ring2][N][Ring1][=Branch2][N][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=O][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (6R)-stereoisomer of 5,10-methylenetetrahydrofolic acid. It has a role as an Escherichia coli metabolite, a mouse metabolite and a cofactor. It is a conjugate acid of a (6R)-5,10-methylenetetrahydrofolate(2-)."}]