Using O=C1CNC(c2cccc(Cc3ccccc3)c2)=NN1CC(F)(F)F to produce O=c1cnc(-c2cccc(Cc3ccccc3)c2)nn1CC(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.