Task: Answer the MCQ question.
Question: Which drug exhibits a 9.340\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CC1CCN(c2nc(-c3cccnc3)nc3scc(-c4ccccc4)c23)CC1
b: CCOC(=O)c1c(NC(=O)CN2C(=O)NC3(CCCCCC3)C2=O)sc(C)c1-c1ccc(C)cc1
Answer: a. CC1CCN(c2nc(-c3cccnc3)nc3scc(-c4ccccc4)c23)CC1
{#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#}
CC1CCN(c2nc(-c3cccnc3)nc3scc(-c4ccccc4)c23)CC1
CC1CCN(c2nc(-c3cccnc3)nc3scc(-c4ccccc4)c23)CC1
4-(4-methylpiperidin-1-yl)-5-phenyl-2-pyridin-3-ylthieno[2,3-d]pyrimidine