Using COC(=O)CCCCCC[C@H]1C2OCCOC2C[C@@H]1C=CC(=O)CCC=C(C)C to produce COC(=O)CCCCCC[C@H]1C2OCCOC2C[C@@H]1CCC(=O)CCC=C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.