Using CN=C=S, CCC1=C(C)CN(C(=O)NC2COc3cc(OC)c(S(N)(=O)=O)cc3C2)C1=O to produce CCC1=C(C)CN(C(=O)NC2COc3cc(OC)c(S(=O)(=O)NC(=S)NC)cc3C2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.