Task: Answer the MCQ question.
Query: Which drug exhibits a 12.367\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1cc(SC)ccc1C(=O)N(C)CC(=O)Nc1cccc2ccccc12
b. O=C(NNc1ncnc2sccc12)c1ccc(Cl)cc1
Answer: b. O=C(NNc1ncnc2sccc12)c1ccc(Cl)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(NNc1ncnc2sccc12)c1ccc(Cl)cc1
O=C(NNc1ncnc2sccc12)c1ccc(Cl)cc1
4-chloro-N'-thieno[2,3-d]pyrimidin-4-ylbenzohydrazide