Using Brc1cc(Br)cc(OCC2CC2)c1, CCOC(=O)COc1ccc(S)cc1C to produce CCOC(=O)COc1ccc(Sc2cc(Br)cc(OCC3CC3)c2)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.