You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [2-oxo-2-[4-(trifluoromethoxy)anilino]ethyl] 3-(8-methyl-4-oxoquinazolin-3-yl)propanoate is given. What is its corresponding molecular formula?
user
C21H18F3N3O5
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