Using CSCCN1CCc2[nH]c(=O)n(C)c(=O)c2C1, O=C([O-])c1ccccc1C(=O)O[O-] to produce Cn1c(=O)[nH]c2c(c1=O)CN(CCS(C)=O)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.