Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -0.298\% 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) CCOc1cc(CNc2ccc(N3CCN(C(C)=O)CC3)cc2)cc(Br)c1OC
(b) N#CCCn1cc(C(=O)Nc2ccc(F)cc2)c(-c2ccccc2)n1
Answer: a. CCOc1cc(CNc2ccc(N3CCN(C(C)=O)CC3)cc2)cc(Br)c1OC
{#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#}
CCOc1cc(CNc2ccc(N3CCN(C(C)=O)CC3)cc2)cc(Br)c1OC
CCOc1cc(CNc2ccc(N3CCN(C(C)=O)CC3)cc2)cc(Br)c1OC
1-[4-[4-[(3-bromo-5-ethoxy-4-methoxyphenyl)methylamino]phenyl]piperazin-1-yl]ethanone