Using NS(=O)(=O)C(F)(F)F, Cn1c(=O)oc2ccc(-c3cnccc3C=O)cc21 to produce Cn1c(=O)oc2ccc(-c3cnccc3CNS(=O)(=O)C(F)(F)F)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.