Using O=C(Cc1cccnc1)N1CCC(=C2c3ccc(Cl)cc3CCc3c(Cl)ccnc32)CC1, COC(=O)CS to produce COC(=O)CSc1ccnc2c1CCc1cc(Cl)ccc1C2=C1CCN(C(=O)Cc2cccnc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.