Using O=C(Nc1nc(/C=C/c2ccc([N+](=O)[O-])cc2)cs1)OCc1ccccc1 to produce Nc1ccc(CCc2csc(NC(=O)OCc3ccccc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.