Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -2.150\% 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. COc1ccc(NCC(=O)Nc2ccccc2C#N)cc1Cl
b. O=c1cc[nH]c2ccc([N+](=O)[O-])cc12
Answer: a. COc1ccc(NCC(=O)Nc2ccccc2C#N)cc1Cl
{#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#}
COc1ccc(NCC(=O)Nc2ccccc2C#N)cc1Cl
COc1ccc(NCC(=O)Nc2ccccc2C#N)cc1Cl
2-(3-chloro-4-methoxyanilino)-N-(6-cyanocyclohexa-1,3,5-trien-1-yl)acetamide