Using O=C(c1ccc(-c2cnco2)cc1)N(C1CCNCC1)C1CC1, Fc1cc(Br)cnc1F to produce O=C(c1ccc(-c2cnco2)cc1)N(C1CC1)C1CCN(c2ncc(Br)cc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.