Using CC(=O)Nc1nc(CCc2ccc(CNC(=O)NNC(=O)OC(C)(C)C)cc2F)cs1 to produce CC(=O)Nc1nc(CCc2ccc(CNC(=O)NN)cc2F)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.