Using O=C(c1ccc2ncccc2c1)c1cnc2ccc(Cl)nn12, OB(O)c1ccccc1 to produce O=C(c1ccc2ncccc2c1)c1cnc2ccc(-c3ccccc3)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.