Using Fc1ccc(-c2n[nH]c(-c3ccc(F)cc3)n2)cc1, O=C(CBr)N1CCN(c2ncccn2)CC1 to produce O=C(Cn1nc(-c2ccc(F)cc2)nc1-c1ccc(F)cc1)N1CCN(c2ncccn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.