Using CC(C)(C)OC(=O)n1nc(O)c2cnc(Oc3ccc(F)cc3F)nc21, CC(C)Br to produce CC(C)Oc1nn(C(=O)OC(C)(C)C)c2nc(Oc3ccc(F)cc3F)ncc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.