Using COC(=O)c1ccc(N2CCCC2)c(NC(=O)C(CSC(C)=O)Cc2ccccc2)c1 to produce O=C(O)c1ccc(N2CCCC2)c(NC(=O)C(CS)Cc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.