Using C[C@@H](C(=O)N1CCOCC1)N1CC[C@H](NS(=O)(=O)/C=C/c2ccc(Cl)c(O[Si](c3ccccc3)(c3ccccc3)C(C)(C)C)c2)C1=O to produce C[C@@H](C(=O)N1CCOCC1)N1CC[C@H](NS(=O)(=O)/C=C/c2ccc(Cl)c(O)c2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.