Using COC(=O)/C=C/c1ccc(OCCCCCOC(C)=O)c(/C=C/C(=O)OC)c1 to produce COC(=O)CCc1ccc(OCCCCCOC(C)=O)c(CCC(=O)OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.