Using CC1C(=O)N(C(CCN2CCC3(CC3)[C@H](O)C2)C(=O)O)CCN1c1cccc(OC(F)(F)F)c1, CNC to produce CC1C(=O)N(C(CCN2CCC3(CC3)[C@H](O)C2)C(=O)N(C)C)CCN1c1cccc(OC(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.