Using CCOC(=O)c1cnc2cc(CNC(=O)OC(C)(C)C)c(-c3ccc(Cl)cc3Cl)cn12 to produce CC(C)(C)OC(=O)NCc1cc2ncc(C(=O)O)n2cc1-c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.