You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methylpropyl 2-[1-[2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl]azetidin-3-yl]acetate by IUPAC nomenclature, provide its molecular formula.
user
C24H27N3O3
assistant