Using O=C1C=CC(=O)C=C1, CCOC(=O)CC(=O)c1ccc(F)cc1 to produce CCOC(=O)c1c(-c2ccc(F)cc2)oc2ccc(O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.