You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (7-hydroxy-7-methyl-8-oxo-3-propyl-5,6-dihydro-1H-isochromen-6-yl) 2-hydroxy-4-methoxy-6-methylbenzoate .
user
C22H26O7
assistant