Using COc1cccc(N=C=O)c1, SCCCN1CCN(Cc2ccc(Cl)cc2)CC1 to produce COc1cccc(NC(O)=[SH]CCCN2CCN(Cc3ccc(Cl)cc3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.