Problem statement: Answer the MCQ question.
Question: Which drug has a 11.795\% 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) Nc1c(C(=O)c2ccccc2)oc2ccc([N+](=O)[O-])cc12
(b) COc1cc2nc(-c3cccs3)oc(=O)c2cc1OC
Answer: b. COc1cc2nc(-c3cccs3)oc(=O)c2cc1OC
{#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#}
COc1cc2nc(-c3cccs3)oc(=O)c2cc1OC
COc1cc2nc(-c3cccs3)oc(=O)c2cc1OC
6,7-dimethoxy-2-thiophen-2-yl-3,1-benzoxazin-4-one