Using CCCN(c1nc(-c2ccc(Cl)cc2Cl)c(C)s1)C(c1ccc(CO)cc1)C1CC1, II to produce CCCN(c1nc(-c2ccc(Cl)cc2Cl)c(C)s1)C(c1ccc(CI)cc1)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.