Using Clc1ccc2nc(Cl)cnc2c1, CCc1cc(O)ccc1C1C(=O)C(C)(C)OC(C)(C)C1=O to produce CCc1cc(Oc2cnc3cc(Cl)ccc3n2)ccc1C1C(=O)C(C)(C)OC(C)(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.