Using N#Cc1nc(-c2cccc(C(F)(F)F)c2)cc(N2CCCNCC2)n1, O=C(O)C(F)(F)F to produce CN1CCCN(c2cc(-c3cccc(C(F)(F)F)c3)nc(C#N)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.