Using CCC1(C)CC(OCc2ccccc2)C(C)C(C)(CC)N1, O=C([O-])O to produce CCC1(C)CC(OCc2ccccc2)C(C)C(C)(CC)N1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.