Using Clc1cc(Cl)nc(Cl)n1, C[C@@H](OC(C)(C)C)[C@H]1COC(=O)N1 to produce C[C@@H](OC(C)(C)C)[C@H]1COC(=O)N1c1cc(Cl)nc(Cl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.