Using CS(=O)(=O)Cl, O=Cc1ccc2c(c1)sc(=O)n2CCCO to produce CS(=O)(=O)OCCCn1c(=O)sc2cc(C=O)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.