You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(3R,3'R,4'S,5'R)-5'-[2-[4-(2-hydroxyethyl)triazol-1-yl]ethyl]-4'-[(4-methoxyphenyl)-dimethylsilyl]-3'-methyl-2-oxospiro[1H-indole-3,2'-oxolane]-5-yl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H39N5O5Si
assistant