Using CCOC(=O)c1cn(S(=O)(=O)c2cccc(C)c2)c(-c2ccccc2)c1C to produce Cc1cccc(S(=O)(=O)n2cc(C=O)c(C)c2-c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.