[{"from": "human", "value": "What can you tell me about this molecule? [C][N][C][=Branch1][C][=O][C][=C][Branch1][Ring2][S][Ring1][=Branch1][Cl]"}, {"from": "gpt", "value": "The molecule is a 1,2-thiazole that is 4-isothiazolin-3-one bearing a methyl group on the nitrogen atom and a chlorine at C-5. It is a powerful biocide and preservative and is the major active ingredient in the commercial product Kathon(TM). It has a role as an antimicrobial agent, a xenobiotic and an environmental contaminant. It is a member of 1,2-thiazoles and an organochlorine compound. It is functionally related to a methylisothiazolinone."}]