Using CCCCCC(CCCC(Br)CCCCCCC(=O)OCC)OC(C)=O, OCCS to produce CCCCCC(CCCC(CCCCCCC(=O)OCC)SCCO)OC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.