You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]-3-[3-(4-methylphenyl)sulfonylimidazol-4-yl]propanoic acid into its molecular formula.
user
C19H25N3O6S
assistant