Using CC(=O)c1ccc(Sc2ccccc2C(C)C)c(C(F)(F)F)c1, CCOC(=O)OCC to produce CCOC(=O)CC(=O)c1ccc(Sc2ccccc2C(C)C)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.