You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-[4,8-dimethyl-2-oxo-7-[(2R)-1-oxo-1-phenylpropan-2-yl]oxychromen-3-yl]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H22O6
assistant