You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (2S)-2-[amino(butoxycarbonyl)amino]-5-[(3R,5S)-3-(4-methanehydrazonoylphenyl)-2-methyl-1,2-oxazolidin-5-yl]-4-oxopentanoic acid ?
user
C21H31N5O6
assistant