[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][Branch2][Ring1][Ring2][C][C][C][Ring1][=Branch1][C][C][C][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][N][=C][=O][N][=C][=O]"}, {"from": "gpt", "value": "The molecule is a diisocyanate consisting of dicyclohexylmethane with two isocyanate groups at the 4- and 4'-positions. It has a role as an allergen."}]