Using C1CSCN1, O=C(O)[C@@H]1CCCN1C(=O)CN1CCCC1=O to produce O=C1CCCN1CC(=O)N1CCC[C@H]1C(=O)N1CCSC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.