Using CC(C)(C)C(=O)OCOc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)N(C(=O)OCc1ccccc1)CC3 to produce CC(C)(C)C(=O)OCOc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)NCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.