Using O=C(O)Cn1c(-c2ccc(Cl)cc2)nc2cccnc21, C1CSCN1 to produce O=C(Cn1c(-c2ccc(Cl)cc2)nc2cccnc21)N1CCSC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.