Using CCOC(=O)c1cc2c(C)ccc(NS(=O)(=O)c3cccs3)c2n1COC, O=C([O-])[O-] to produce CCOC(=O)c1cc2c(C)ccc(N(C)S(=O)(=O)c3cccs3)c2n1COC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.