Using O=C1NCCN1c1ccncc1, FC(F)(F)c1ccc(OCCCCCCBr)cc1 to produce O=C1N(CCCCCCOc2ccc(C(F)(F)F)cc2)CCN1c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.