Using Cn1c(CC[C@](C)(CO)NC(=O)OC(C)(C)C)ccc1C(=O)CCCCc1ccccc1 to produce Cn1c(CC[C@](C)(C=O)NC(=O)OC(C)(C)C)ccc1C(=O)CCCCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.