Using CC(O)Br, FC(F)(F)c1ccc(-n2nc(N3CCNCC3)c3ccccc32)cc1 to produce OCCN1CCN(c2nn(-c3ccc(C(F)(F)F)cc3)c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.