You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[[5-[[3,3-dimethyl-2-[(2-phenoxyacetyl)amino]butanoyl]amino]-4-hydroxy-6-phenyl-1-(4-pyridin-2-ylphenyl)hexan-2-yl]amino]-2,2-dimethyl-4-oxobutyl]carbamic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C44H55N5O7
assistant