Using C[C@](O)(CN1CCC(Oc2ccc(Cl)c(Cl)c2)CC1)CN1C(=O)c2ccccc2C1=O to produce C[C@@](O)(CN)CN1CCC(Oc2ccc(Cl)c(Cl)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.