Using CC1(C)CCC(n2nc(-c3cc(CNC(=O)C(F)(F)F)ccc3Cl)[nH]c2=O)CC1 to produce CC1(C)CCC(n2nc(-c3cc(CN)ccc3Cl)[nH]c2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.