Using CC(C)(C)OC(=O)N1CC[C@@H]2[C@@H](c3ccccc3)Nc3ccccc3[C@@H]21 to produce CC(C)(C)OC(=O)N1CCc2c(-c3ccccc3)nc3ccccc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.