Task: Answer the multiple choice question.
Question: Which drug exhibits a 6.979\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1ccc(-n2cccc2C=O)cc1
(b) Cc1c(C(=O)Nc2ccncc2)sc2nc(-c3ccccc3)cn12
(c) C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CCN(c2ccccc2)CC1)c1ccccc1
Answer: a. COc1ccc(-n2cccc2C=O)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(-n2cccc2C=O)cc1
COc1ccc(-n2cccc2C=O)cc1
1-(4-methoxyphenyl)pyrrole-2-carbaldehyde