You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[7-(1-methylpyrazol-4-yl)quinazolin-2-yl]-1-(2-piperidin-4-yl-1,3-thiazol-4-yl)ethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H22N6OS
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