You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(2-methylbutan-2-yl)-2-[3-[(4-methylphenyl)methyl]-4-oxoquinazolin-2-yl]sulfanylacetamide is given. What is its corresponding molecular formula?
user
C23H27N3O2S
assistant