Using O=C(O)C1=C(c2ccc(Cl)c(Cl)c2)CN(Cc2ccccc2)C1 to produce O=C(O)[C@@H]1CN(Cc2ccccc2)C[C@@H]1c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.