Using CN(C(=O)OC(C)(C)C)[C@@H](C(=O)N1CCN2C[C@H](Oc3cnc(C4CC4)cn3)C[C@H]2C1)c1ccccc1 to produce CN[C@@H](C(=O)N1CCN2C[C@H](Oc3cnc(C4CC4)cn3)C[C@H]2C1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.