Using CC1(C)OC(=O)Nc2ccc(OCCCCCl)cc21, Sc1ccc(Br)cc1 to produce CC1(C)OC(=O)Nc2ccc(OCCCCSc3ccc(Br)cc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.