You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [1-[(5-methyl-1,2-oxazol-3-yl)amino]-1-oxobutan-2-yl] 2-[(2-chlorobenzoyl)amino]-4-methylsulfanylbutanoate .
user
C20H24ClN3O5S
assistant