Using Cc1cc2c(s1)S(=O)(=O)N(C)C(=O)C2, O=C=Nc1ccccc1 to produce Cc1cc2c(s1)S(=O)(=O)N(C)C(=O)C2C(=O)Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.