Using COc1ccc(CN2C[C@@H](C)[C@@H]3OC(=O)N[C@@H]3C2)cc1 to produce C[C@@H]1CNC[C@H]2NC(=O)O[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.