Using O=C(O)c1cncc2c1cnn2-c1ccc(F)cc1, NC1(c2cccc(Br)c2)CC1 to produce O=C(NC1(c2cccc(Br)c2)CC1)c1cncc2c1cnn2-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.