Using ClC(Cl)(Cl)C(Cl)(Cl)Cl, C=C(C)[C@H]1CC=C(c2ocnc2C)CC1 to produce C=C(C)[C@H]1CC=C(c2oc(Cl)nc2C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.