Using CC(=O)OC(C)=O, CC(=O)c1cc(Oc2ccc(F)cc2F)c(NS(C)(=O)=O)cc1O to produce Cc1cc(=O)c2cc(Oc3ccc(F)cc3F)c(NS(C)(=O)=O)cc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.