Using O=[N+]([O-])c1ccc(-c2cn3c(n2)sc2cc(OCCCl)ccc23)cc1 to produce Nc1ccc(-c2cn3c(n2)sc2cc(OCCCl)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.