Using CCOC(=O)c1c(S(N)=O)c2cc(Cl)ccc2n1C, O=[Mn](=O)(=O)[O-] to produce Cn1c2c(c3cc(Cl)ccc31)S(=O)(=O)NC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.