Task: Answer the MCQ question.
Question: Which compound exhibits a 19.976\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a O=S(=O)(NCc1ccco1)c1ccc(S(=O)(=O)N2CCCC2)cc1
b O=C(Nc1ccc(N2CCCC2)cc1)c1cccc(-c2cc3ccccc3oc2=O)c1
Answer: b. O=C(Nc1ccc(N2CCCC2)cc1)c1cccc(-c2cc3ccccc3oc2=O)c1
{#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#}
3-(2-oxochromen-3-yl)-N-(4-pyrrolidin-1-ylphenyl)benzamide