Using O=S(=O)(OCC(F)(F)F)C(F)(F)F, COc1cnnc(-c2ccnn2-c2ccccc2)c1O to produce COc1cn(CC(F)(F)F)nc(-c2ccnn2-c2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.