Using Cc1ccccc1S(=O)(=O)OCC1CC=CC1, CCc1c(Sc2ccccc2)[nH]c(=O)[nH]c1=O to produce CCc1c(Sc2ccccc2)n(CC2=CCCC2)c(=O)[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.