Using O=S1(=O)Nc2c(ccc3c(Cl)ccnc23)-c2ccccc21, c1cn[nH]c1 to produce O=S1(=O)Nc2c(ccc3c(-n4cccn4)ccnc23)-c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.