Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 12.586\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(C[n+]1cc(Br)cc(Br)c1)c1ccccc1.[Br-]
b.) O=C(CCN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)Nc1cccc(O)c1
Answer: a. O=C(C[n+]1cc(Br)cc(Br)c1)c1ccccc1.[Br-]
{#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#}
O=C(C[n+]1cc(Br)cc(Br)c1)c1ccccc1.[Br-]
O=C(C[n+]1cc(Br)cc(Br)c1)c1ccccc1.[Br-]
2-(3,5-dibromopyridin-1-ium-1-yl)-1-phenylethanone;bromide