Problem statement: Answer the multiple-choice question.
Question: Which drug has a 10.021\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(O)CSCC(=O)Nc1cccc2ccccc12
[b] O=C(NNC(=O)c1ccccc1Cl)c1ccccc1Cl
[c] Cc1cccc(N2CC(O)=C(c3nc4ccccc4n3C)C2=N)c1
Answer: b. O=C(NNC(=O)c1ccccc1Cl)c1ccccc1Cl
{#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#}
2-chloro-N'-(2-chlorobenzoyl)benzohydrazide