Using CCOc1c(CC)ccc(NS(=O)(=O)c2ccccc2F)c1C(=O)OC to produce CCOc1c(CC)ccc(NS(=O)(=O)c2ccccc2F)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.