Using O=C=NC(=O)c1ccccc1, Nc1cc(-c2cc(C(F)(F)F)nn2-c2ccc(F)cc2)ccn1 to produce NC(=O)Nc1cc(-c2cc(C(F)(F)F)nn2-c2ccc(F)cc2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.