Task: Answer the multiple-choice question.
Query: Which drug has a -20.648% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccccc1CN1CCN(C(=O)Cc2ccccc2)CC1
b) CCOc1ccc(N=C2NN=C(c3cc(C)n(CC4CCCO4)c3C)CS2)cc1
Answer: a. COc1ccccc1CN1CCN(C(=O)Cc2ccccc2)CC1
{#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#}
COc1ccccc1CN1CCN(C(=O)Cc2ccccc2)CC1
COc1ccccc1CN1CCN(C(=O)Cc2ccccc2)CC1
1-[4-[(2-methoxyphenyl)methyl]piperazin-1-yl]-2-phenylethanone