You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1R)-1-phenylethyl] N-[5-[4-[4-(acetylsulfamoyl)phenyl]phenyl]-3-methyl-1,2-oxazol-4-yl]carbamate into molecular formula.
user
C27H25N3O6S
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