Using CCOP(=O)([O-])CC(=O)c1cc(OC)ccc1OCC(C)C, CCOC(=O)/C=C(\C)C=O to produce CCOC(=O)C=C(C)C=CC(=O)c1cc(OC)ccc1OCC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.