Using O=S(=O)(c1ccc(Br)cc1)C1CCNCC1, O=C(CBr)c1ccc(F)cc1 to produce O=C(CN1CCC(S(=O)(=O)c2ccc(Br)cc2)CC1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.