Using CCOC(=O)CCC1(CCC(=O)OCC)OCC(CS)S1, BrCCCOc1ccccc1 to produce CCOC(=O)CCC1(CCC(=O)OCC)OCC(CSCCCOc2ccccc2)S1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.