You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[1-[butan-2-yl-[2-(cyclohexylamino)-1-(2-hydroxy-3-methylphenyl)-2-oxoethyl]amino]-3-hydroxy-1-oxopropan-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H43N3O6
assistant