Using CNCCO, O=C(O)c1ccc2[nH]cc(C3CCN(c4ccc5nnc(C(F)(F)F)n5n4)CC3)c2c1 to produce CN(CCO)C(=O)c1ccc2[nH]cc(C3CCN(c4ccc5nnc(C(F)(F)F)n5n4)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.