Using C=Cc1ccc2ccccc2c1, CCN1c2ncc(Br)cc2C(=O)N(C)c2ccc(F)nc21 to produce CCN1c2ncc(CCc3ccc4ccccc4c3)cc2C(=O)N(C)c2ccc(F)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.