Using CCOC(=O)c1nc(N2CCCCS2(=O)=O)n(C)c(=O)c1OC to produce COc1c(C(=O)O)nc(N2CCCCS2(=O)=O)n(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.