You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[(1R)-2-benzyl-1-phenyl-3,4-dihydro-1H-isoquinolin-7-yl]oxy]-N-(furan-2-ylmethyl)-N-methylacetamide by IUPAC nomenclature, provide its molecular formula.
user
C30H30N2O3
assistant