Using CS(=O)(=O)Nc1cc2occc(=O)c2cc1Oc1ccc(F)cc1F to produce CS(=O)(=O)Nc1cc2c(cc1Oc1ccc(F)cc1F)C(=O)CCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.