You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R)-2-methyl-3-(3-methylbutoxy)-N-[1-methyl-2-oxo-5-[4-(trifluoromethyl)phenyl]-3H-1,4-benzodiazepin-3-yl]propanamide by IUPAC nomenclature, provide its molecular formula.
user
C26H30F3N3O3
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