Using OO, CCCCC1C(=O)N(c2ccccc2)N(c2ccc(OC)cc2)C1=O to produce CCCCC1(O)C(=O)N(c2ccccc2)N(c2ccc(OC)cc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.