Using CCOC(=O)CCCOc1ccc2c(c1)C[C@@H](NC(=O)OC(C)(C)C)CC2 to produce CC(C)(C)OC(=O)N[C@H]1CCc2ccc(OCCCC(=O)O)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.