Using O=S(=O)(Cl)c1ccc(Br)cc1, NCCCCOc1ccc(-n2cnnn2)cc1 to produce O=S(=O)(NCCCCOc1ccc(-n2cnnn2)cc1)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.