Using Brc1ncccn1, O=C(c1cc2ccc(C(F)(F)F)cc2s1)N1CC(N2CCNCC2)C1 to produce O=C(c1cc2ccc(C(F)(F)F)cc2s1)N1CC(N2CCN(c3ncccn3)CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.