Using CI, CCOCCC(C)(O)C=CC1CCC(=O)C1CCCCCCC(=O)O to produce CCOCCC(C)(O)C=CC1CCC(=O)C1CCCCCCC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.