You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R)-2-(2,5-dimethylanilino)-2-oxo-1-phenylethyl] 2-[(4-methoxybenzoyl)amino]acetate by IUPAC nomenclature, provide its molecular formula.
user
C26H26N2O5
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