You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-methyl-4-[methyl-[[5-(3-methylphenyl)-1,3-thiazol-2-yl]carbamoyl]amino]piperidine-1-carboxamide into molecular formula.
user
C19H25N5O2S
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