Using CC(C)(C)Cn1nnc2c(Br)c(O)ccc21, OB(O)c1ccccc1 to produce CC(C)(C)Cn1nnc2c(Br)c(Oc3ccccc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.