Using CC1Cc2ccccc2N1NC(=O)c1cnc(-c2cccc(F)c2)nc1 to produce Cc1cc2ccccc2n1NC(=O)c1cnc(-c2cccc(F)c2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.