You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(4-butan-2-ylphenyl)-5-oxo-2,3-dihydro-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide ?
user
C17H19N3O2S
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