Using FC(F)(F)c1nnc2ccc(N3CCN(c4ccc(OCCBr)cc4)CC3)nn12, c1cn[nH]c1 to produce FC(F)(F)c1nnc2ccc(N3CCN(c4ccc(OCCn5cccn5)cc4)CC3)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.