Using CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@H]1N[C@H](C)c1ccccc1, CC[O-] to produce CCOC(=O)C1CN(C(=O)OC(C)(C)C)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.