Using NS(=O)(=O)c1ccccc1, O=Cc1ccc(C(=O)O)cc1 to produce O=C(O)C1=CCC(=C=NS(=O)(=O)c2ccccc2)C=C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.