Using CON(C)C(=O)c1ccc2ncc(Cl)nc2c1, OB(O)c1ccc(Cl)cc1 to produce CON(C)C(=O)c1ccc2ncc(-c3ccc(Cl)cc3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.