Using OC[C@@H]1Cc2ccccc2CN1, COC(=O)[C@](CC=O)(CCCCB1OC(C)(C)C(C)(C)O1)NC(=O)OC(C)(C)C to produce COC(=O)[C@@](CCCCB1OC(C)(C)C(C)(C)O1)(CCN1Cc2ccccc2C[C@H]1CO)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.