Using FC(F)(F)c1cccc(-c2ccc(Cl)nn2)c1, CCCC(N)CO to produce CCCC1CN2N=C(c3cccc(C(F)(F)F)c3)C=CC2=N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.