[{"from": "human", "value": "Describe this molecule. [C][C][O][C][=Branch1][C][=O][C][C][N][C][Branch1][=Branch1][N][C][Ring1][=Branch1][Cl][S][C]"}, {"from": "gpt", "value": "The molecule is a pyrimidinecarboxylate ester that is the ethyl ester of 4-chloro-2-(methylsulfanyl)hexahydropyrimidine-5-carboxylic acid. It is an amino acid ester, an aliphatic sulfide, an aminal and a pyrimidinecarboxylate ester."}]