Using Oc1nc(-c2ccc(Br)cc2)cc2ncccc12, COc1ccc(B(O)O)cc1 to produce COc1ccc(-c2ccc(-c3cc4ncccc4c(O)n3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.