Using COC(=O)CCCCCCc1ccccc1C=O, CCCCCC(=O)CP(=O)(OC)OC to produce CCCCCC(=O)/C=C/c1ccccc1CCCCCCC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.