[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C][N][Branch2][Ring1][=Branch1][C][=N+1][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 5,10-methenyl derivative of tetrahydrofolic acid arising from enzymatic cyclisation of 5-formyltetrahydrofolic acid. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is functionally related to a (6R)-5,10-methylenetetrahydrofolic acid. It is a conjugate acid of a (6R)-5,10-methenyltetrahydrofolate."}]