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system
Name the molecular formula for the molecule established as 8-(4-cyclobutyl-1,3-thiazol-2-yl)-3-formyl-2-(3-hydroxypiperidin-1-yl)-4-oxo-3H-pyrido[1,2-a]pyrimidine-8-carboxamide using the IUPAC nomenclature.
user
C22H25N5O4S
assistant