Task: Answer the multiple choice question.
Query: Which compound exhibits a 2.168\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1cc(C)c(C#N)c(SCC(=O)c2cccs2)n1
b) COc1ccc(C(=O)NNC(=O)CSc2nnnn2C)cc1
Answer: b. COc1ccc(C(=O)NNC(=O)CSc2nnnn2C)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#}
COc1ccc(C(=O)NNC(=O)CSc2nnnn2C)cc1
COc1ccc(C(=O)NNC(=O)CSc2nnnn2C)cc1
N'-[2-(4-methyltetrazol-5-yl)sulfanylacetyl]-4-methoxybenzohydrazide