Using CC(Br)CCBr, O=C1Nc2ccc(S(=O)(=O)N3CCCC3)cc2C12OCCCO2 to produce CC(Br)C(C)N1C(=O)C2(OCCCO2)c2cc(S(=O)(=O)N3CCCC3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.