Using CCOC(=O)c1cc(O[Si](C)(C)C(C)(C)C)nn1CCNC(=O)OC(C)(C)C to produce CCOC(=O)c1cc(O)nn1CCNC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.