Using FC(F)(F)c1ccc(-c2ccc(Cl)nn2)cc1, NC1CCCNC1 to produce NC1CCCN(c2ccc(-c3ccc(C(F)(F)F)cc3)nn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.