Using CN=C1CCC(c2ccc(Cl)c(Cl)c2)c2ccccc21 to produce CN[C@H]1CC[C@@H](c2ccc(Cl)c(Cl)c2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.