Task: Answer the MCQ question.
Query: Which compound exhibits a 5.520\% 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. CC(=Nc1ccc(O)cc1)c1sc2ccccc2c1O
b. c1ccc(N2CCN(c3ccccc3)C2c2ccncc2)cc1
Answer: b. c1ccc(N2CCN(c3ccccc3)C2c2ccncc2)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#}
c1ccc(N2CCN(c3ccccc3)C2c2ccncc2)cc1
c1ccc(N2CCN(c3ccccc3)C2c2ccncc2)cc1
4-(1,3-diphenylimidazolidin-2-yl)pyridine