Using COC(=O)C(=C1NCCCS1)[N+](=O)[O-], OCC=CC=Cc1ccccc1 to produce O=C(OCC=CC=Cc1ccccc1)C(=C1NCCCS1)[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.