Using CC1(C)CNc2cc(Br)cnc21, Cc1ncccc1-c1nc2cc(F)ccc2c(Cl)c1C to produce Cc1ncccc1-c1nc2cc(F)ccc2c(N2CC(C)(C)c3ncc(Br)cc32)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.