Problem statement: Answer the MCQ question.
Query: Which compound has a 21.768\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) Cc1ccc(-n2nc3c(=O)n(CCCC(=O)NCC(C)c4ccccc4)nc(C)c3c2C)cc1
b) O=C(NC1CCCCCC1)c1nc2ncccn2n1
c) COc1ccc2c(OC)cc(-c3ccccc3)nc2c1
d) O=C1ON=C(c2ccc([N+](=O)[O-])cc2)/C1=C/c1ccccc1O
Answer: b. O=C(NC1CCCCCC1)c1nc2ncccn2n1
{#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#}
O=C(NC1CCCCCC1)c1nc2ncccn2n1
O=C(NC1CCCCCC1)c1nc2ncccn2n1
N-cycloheptyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide