Using C[C@H](c1cccc2ccccc12)N(C(=O)OC(C)(C)C)[C@H]1CCN(C(=O)OC(C)(C)C)C1 to produce C[C@@H](N[C@H]1CCNC1)c1cccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.