Using CCCCCCC(C(=O)OCC)n1cnc(NC(=O)C(CC)(c2ccccc2)c2ccccc2)c1 to produce CCCCCCC(C(=O)O)n1cnc(NC(=O)C(CC)(c2ccccc2)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.