Using O=C(O)c1ccc(OC2CCN(c3ccc4nnc(C(F)(F)F)n4n3)CC2)cc1, CNCCO to produce CN(CCO)C(=O)c1ccc(OC2CCN(c3ccc4nnc(C(F)(F)F)n4n3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.