Using CC(C)(C)OC(=O)CN(c1ccc(I)cc1OCc1ccccc1)S(=O)(=O)NC(=O)OC(C)(C)C, C[Si](C)(C)CCO to produce CC(C)(C)OC(=O)CN(c1ccc(I)cc1OCc1ccccc1)S(=O)(=O)N(CC[Si](C)(C)C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.