Using COC(=O)Cl, COc1ccc(C(=O)Nc2ccc(F)cc2F)c(O)c1 to produce COc1ccc2c(=O)n(-c3ccc(F)cc3F)c(=O)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.