Using FC(F)(F)CN1N=C2C(=Cc3ccccc3)CNCC2C1c1ccccc1, N#CN to produce N=C(N)N1CC(=Cc2ccccc2)C2=NN(CC(F)(F)F)C(c3ccccc3)C2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.