You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [3-[1-[5-benzyl-6-hydroxy-2-[(4-hydroxy-3-methoxyphenyl)methyl]-3-oxo-1,2,4-triazepan-4-yl]-2-phenylethyl]phenoxy]methyl-(1,2-diphenylethoxy)phosphinic acid by IUPAC nomenclature, provide its molecular formula.
user
C48H50N3O8P
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