Using Nc1nc2c(O)cccn2n1, CN(c1ccccc1CBr)S(C)(=O)=O to produce CN(c1ccccc1COc1cccn2nc(N)nc12)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.