Using CC(C)(Br)C(=O)Br, CC(C)(C(=O)c1ccc(Sc2ccccc2)cc1)N1CCOCC1 to produce CC(C)(Br)C(=O)c1ccc(Sc2ccc(C(=O)C(C)(C)N3CCOCC3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.