Using CC(C)(C)[Si](C)(C)Cl, C[C@H](c1ccccc1)N1C[C@@](CO)(C(=O)OC(C)(C)C)CC1=O to produce C[C@H](c1ccccc1)N1C[C@@](CO[Si](C)(C)C(C)(C)C)(C(=O)OC(C)(C)C)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.