Using CCCc1c(C(=O)OC)cn(S(=O)(=O)c2ccccc2)c1-c1ccccc1 to produce CCCc1c(CO)cn(S(=O)(=O)c2ccccc2)c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.