Using CCN1CCN(C(=O)c2cc(F)c(NCc3ccc(OC)cc3)c(F)c2)CC1 to produce CCN1CCN(C(=O)c2cc(F)c(N)c(F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.