Using C[C@@H]1CN2C(=O)c3ccccc3C[C@@H]2CN1Cc1ccccc1 to produce C[C@@H]1CN2C(=O)c3ccccc3C[C@@H]2CN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.