Using O=C[O-], COC(=O)c1cc(C)c2c(c1)S(=O)(=O)Cc1cc(N)cc(Cl)c1N2 to produce COC(=O)c1cc(C)c2c(c1)S(=O)(=O)Cc1cc(NC=O)cc(Cl)c1N2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.