Using CCCCCCc1c(C(=O)C[C@@H](C)CC(=O)OC)c2cc(Cl)ccc2n1C to produce CCCCCCc1c(C(=O)C[C@@H](C)CC(=O)O)c2cc(Cl)ccc2n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.