Using NS(=O)(=O)c1ccc(C(=O)O)cc1, COc1ccc(C=O)cc1 to produce COc1ccc(C=NS(=O)(=O)c2ccc(C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.