You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R,5S)-2-benzyl-5-[[(2R)-7-(dimethylamino)-4-oxo-2-(2-phenylethyl)heptanoyl]amino]-7-methyl-N-[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]-4-oxooctanamide into its molecular formula.
user
C42H61N3O6
assistant