Using O=C1NC(=O)c2ccccc21, CC(C)(C)OC(=O)N1C[C@H]2C[C@@]2(CO)[C@@H]1c1ccccc1 to produce CC(C)(C)OC(=O)N1CC2CC2(CN2C(=O)c3ccccc3C2=O)C1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.