Using O=S(=O)(c1ccccc1)n1cc(-c2c(-c3ccccn3)nn3c2CCC3)c2ccncc21 to produce c1ccc(-c2nn3c(c2-c2c[nH]c4cnccc24)CCC3)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.