Using O=C([O-])[O-], Cc1cc(N2CCCC2=O)ccc1-c1ccc(C(=O)O)cc1 to produce COC(=O)c1ccc(-c2ccc(N3CCCC3=O)cc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.