Using COCc1onc(-c2ccc(F)cc2)c1-c1cn(-c2ccc(C(C)=O)cc2)cn1 to produce CC(=O)c1ccc(-n2cnc(-c3c(-c4ccc(F)cc4)noc3CO)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.