Using COC(=O)c1cccc(NC(=O)Cc2nc(N3CCOCC3)cc(=O)[nH]2)c1 to produce O=C(Cc1nc(N2CCOCC2)cc(=O)[nH]1)Nc1cccc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.