Using CC(C)(C)Cn1nnc2c(Br)c(O)ccc21, CC(=O)c1cccnc1F to produce CC(=O)c1cccnc1Oc1ccc2c(nnn2CC(C)(C)C)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.