Using C1COCCO1, CC(C)(C)OC(=O)Cc1ccc(NC(=O)c2csc3ccccc23)cc1 to produce COc1cc(CC(=O)O)ccc1NC(=O)c1csc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.