[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][=C][C][=C][C][=C][C][Ring1][=Branch1][=N][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule is a benzimidazole. It is a tautomer of a 1H-benzimidazole, a 4H-benzimidazole and a 3aH-benzimidazole."}]