Using OB(O)c1ccccc1, Cc1ccc(C(=O)Nc2ccc(Cl)c(-c3cn4cc(Br)cnc4n3)c2)o1 to produce Cc1ccc(C(=O)Nc2ccc(Cl)c(-c3cn4cc(-c5ccccc5)cnc4n3)c2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.