Using CC(C)(C)OC(=O)N1CCc2nn(Cc3ccccc3)c(-c3ccc(Cl)cc3)c2CC1 to produce CC(C)(C)OC(=O)N1CCc2nn(Cc3ccccc3)c(-c3ccccc3)c2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.