Using CCOC(=O)/C=C/c1ccc(C(=C2CCCCCC2)c2ccc(O)c(F)c2)cc1 to produce O=C(O)/C=C/c1ccc(C(=C2CCCCCC2)c2ccc(O)c(F)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.