Using C=Cc1ccc(NS(=O)(=O)c2ccc(F)cc2)c(C(=O)OC)c1OCC(=O)OC to produce CCc1ccc(NS(=O)(=O)c2ccc(F)cc2)c(C(=O)OC)c1OCC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.