You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (8-methyl-4-oxo-3H-quinazolin-2-yl)methyl 1-phenyl-5-thiophen-2-yl-1,2,4-triazole-3-carboxylate is given. What is its corresponding molecular formula?
user
C23H17N5O3S
assistant