Using ClC(Cl)(Cl)Cl, CN1C(=O)c2c(c3c4cccnc4n([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c3c3[nH]c4ccccc4c23)C1=O to produce CN1C(=O)c2c(c3c4cccnc4n([C@@H]4O[C@H](CCl)[C@@H](O)[C@H](O)[C@H]4O)c3c3[nH]c4ccccc4c23)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.