Using CCOC(=O)C(=O)Nc1ccccc1C(=O)NC1CCN(C2CCCCC2)C1 to produce O=C([O-])C(=O)Nc1ccccc1C(=O)NC1CCN(C2CCCCC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.