You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(1-methylpyrazol-4-yl)methyl]-6-[[1-(trihydroxymethyl)cyclopropyl]amino]sulfanyl-1H-quinazoline-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H19N5O5S
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