Using COC(=O)Cn1c(C)cc(S(=O)(=O)c2ccccc2)c(N)c1=O to produce Cc1cc(S(=O)(=O)c2ccccc2)c(N)c(=O)n1CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.