Using CC(C)N1CCN(C(=O)c2ccc3[nH]c(C(=O)NCC4(F)COC4)cc3c2)CC1, BrCC1CC1 to produce CC(C)N1CCN(C(=O)c2ccc3c(c2)cc(C(=O)NCC2(F)COC2)n3CC2CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.