[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch1][N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=C][=O][N][=C][=O]"}, {"from": "gpt", "value": "The molecule is a toluene meta-diisocyanate in which the isocyanato groups are at positions 2 and 4 relative to the methyl group on the benzene ring. It has a role as a hapten and an allergen."}]