Using CCOC(=O)Cc1ccc(OC)c(Oc2ccc(C(=O)NC(C)(C)C)cc2CSC(C)(C)C)c1 to produce COc1ccc(CC(=O)O)cc1Oc1ccc(C(=O)NC(C)(C)C)cc1CSC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.