Using CCC1C(=O)N2C(C(=O)OCc3ccc([N+](=O)[O-])cc3)=C(Oc3ccccc3)SC12 to produce CCC1C(=O)N2C(C(=O)[O-])=C(Oc3ccccc3)SC12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.