Using CCOC(=O)c1cc(-c2sc(-c3ccncc3)nc2Cc2ccc(Cl)cc2)[nH]n1 to produce O=C(O)c1cc(-c2sc(-c3ccncc3)nc2Cc2ccc(Cl)cc2)[nH]n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.