[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch1][#C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][Branch1][Ring1][C][#N][C][#N][Cl]"}, {"from": "gpt", "value": "The molecule is the defining component of a tear gas commonly referred to as CS gas, which is used as a riot control agent. CS gas is an aerosol of avolatile solvent (a substance that dissolves other active substances and that easily evaporates) and 2-chlorobenzalmalononitrile, which is a solid compound at room temperature."}]