Using c1cc2c(cc1CN1CCNCC1)OCO2, O=C1Cc2cc([N+](=O)[O-])ccc2Sc2ccccc21 to produce O=[N+]([O-])c1ccc2c(c1)C=C(N1CCN(Cc3ccc4c(c3)OCO4)CC1)c1ccccc1S2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.