You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-(4-methyl-2-oxochromen-7-yl)oxy-N-[(2R)-3-oxo-1-phenylbutan-2-yl]acetamide using the IUPAC nomenclature.
user
C22H21NO5
assistant