Problem statement: Answer the multiple-choice question.
Query: Which drug has a 31.062\% 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) Cn1c(-c2ccc(Br)o2)nc2cc(Br)ccc21
b) CC(=O)NNC(=O)CC(=O)Nc1nc(C23CC4CC(CC(C4)C2)C3)cs1
Answer: a. Cn1c(-c2ccc(Br)o2)nc2cc(Br)ccc21
{#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#}
Cn1c(-c2ccc(Br)o2)nc2cc(Br)ccc21
Cn1c(-c2ccc(Br)o2)nc2cc(Br)ccc21
5-bromo-2-(5-bromofuran-2-yl)-1-methylbenzimidazole