Using CCOC(=O)COc1ccc(-c2cc(O)c(Sc3ccccc3C(C)C)c(=O)o2)cc1 to produce CC(C)c1ccccc1Sc1c(O)cc(-c2ccc(OCC(=O)O)cc2)oc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.