You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1-methoxy-1-oxo-3-phenylpropan-2-yl)oxy-[3-methyl-1-[[3-methyl-1-[[3-methyl-2-(3-methylbutanoylamino)butanoyl]amino]-1-oxobutan-2-yl]amino]butyl]phosphinic acid by IUPAC nomenclature, provide its molecular formula.
user
C30H50N3O8P
assistant