You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name benzyl (2R)-2-[(1R)-1-[ethoxycarbonyl-[2-tris(trimethylsilyl)silylsulfanylethyl]amino]ethyl]pyrrolidine-1-carboxylate into its molecular formula.
user
C28H54N2O4SSi4
assistant