Using O=C([O-])CCCC(=O)OCc1cccc2c1Cc1ccccc1-2, Oc1c(F)c(F)c(F)c(F)c1F to produce O=C(CCCC(=O)Oc1c(F)c(F)c(F)c(F)c1F)OCc1cccc2c1Cc1ccccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.