Using COc1cc(Br)cc(-c2nn(C(C)C)c3ncnc(N)c23)c1 to produce CC(C)n1nc(-c2cc(O)cc(Br)c2)c2c(N)ncnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.