Using COC(=O)c1ccc(B(O)O)cc1, [O-][n+]1nc(Cl)nc2ccc(O)cc21 to produce O=C(O)c1ccc(-c2nc3ccc(O)cc3[n+]([O-])n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.