Using COc1ccc(-n2c(-c3ccccc3)nc3cc(NS(=O)(=O)c4ccc(Cl)cc4)ccc32)cc1, COC(=O)CCCCCBr to produce COC(=O)CCCCCN(c1ccc2c(c1)nc(-c1ccccc1)n2-c1ccc(OC)cc1)S(=O)(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.