Using CC(C)(C)c1cccc(NC(=O)c2cccnc2-c2cccc(F)c2)c1 to produce CC(C)(C)c1cccc(NC(=O)C2CCCNC2c2cccc(F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.