Using CC(C)(C)OC(=O)N[C@H]1CCCN(C(=O)CNc2cc(Cl)cc(Cl)c2)C1 to produce N[C@H]1CCCN(C(=O)CNc2cc(Cl)cc(Cl)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.