You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[2-(4-bromophenyl)-2-oxoethyl]sulfanyl-4-oxo-N-[[(2S)-oxolan-2-yl]methyl]-3-prop-2-enylquinazoline-7-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C25H24BrN3O4S
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