Using COC(=O)[C@H]1COCc2c(O[Si](C)(C)C(C)(C)C)cc(O[Si](C)(C)C(C)(C)C)c(C)c2C(=O)S[C@H](C)C(=O)N1 to produce COC(=O)[C@H]1COCc2c(O)cc(O)c(C)c2C(=O)S[C@H](C)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.