You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(8S)-8-benzyl-2-methyl-6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-7-yl]-(1,3-dihydro-2-benzofuran-4-yl)methanone;formic acid into its molecular formula.
user
C23H24N4O4
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