Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.310\% 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. CC1(C#N)c2ccccc2C(Br)=CN1C(=O)c1ccccc1
b. COc1ccc(CCNC(=O)CSc2n[nH]c(C)c2[N+](=O)[O-])cc1OC
Answer: a. CC1(C#N)c2ccccc2C(Br)=CN1C(=O)c1ccccc1
{#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#}
CC1(C#N)c2ccccc2C(Br)=CN1C(=O)c1ccccc1
CC1(C#N)c2ccccc2C(Br)=CN1C(=O)c1ccccc1
2-benzoyl-4-bromo-1-methylisoquinoline-1-carbonitrile