Using BrCCCCCOC1CCCCO1, COC(=O)c1csc(-c2cccc(O)c2)n1 to produce COC(=O)c1csc(-c2cccc(OCCCCCOC3CCCCO3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.