Task: Answer the MCQ question.
Question: Which drug has a 14.965\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1cc(C2C(C#N)=C(N)OC3=C2C(=O)CC(C)(C)C3)cc([N+](=O)[O-])c1O
b. O=C(O)c1cccnc1Sc1ccccc1
Answer: b. O=C(O)c1cccnc1Sc1ccccc1
{#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(O)c1cccnc1Sc1ccccc1
O=C(O)c1cccnc1Sc1ccccc1
2-phenylsulfanylpyridine-3-carboxylicacid