Using Fc1ccc(-c2nc(C3CCNCC3)n(-c3ncccn3)n2)cc1, O=C(CBr)c1ccccc1 to produce O=C(CN1CCC(c2nc(-c3ccc(F)cc3)nn2-c2ncccn2)CC1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.