Using CCOC(OCC)c1cc(C(CC(C)C)NC(=O)OCc2ccccc2)no1 to produce CC(C)CC(NC(=O)OCc1ccccc1)c1cc(C=O)on1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.