Using CCOC(=O)C(CNCc1ccccc1)C(C)O[Si](C)(C)C(C)(C)C to produce CCOC(=O)C(CN)C(C)O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.