You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2S,3S)-2-(benzylamino)-3-methylpentanoic acid;(2S,3S)-2-[benzyl(methyl)amino]-3-methylpentanoic acid;methane .
user
C29H48N2O4
assistant