Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 4.219% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(S(=O)(=O)N(CC(=O)N2CCOCC2)Cc2ccccc2)cc1C
b. CNCCCc1[nH]nc(N)c1C#N
Answer: b. CNCCCc1[nH]nc(N)c1C#N
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CNCCCc1[nH]nc(N)c1C#N
CNCCCc1[nH]nc(N)c1C#N
3-amino-5-[3-(methylamino)propyl]-1H-pyrazole-4-carbonitrile