Task: Answer the MCQ question.
Query: Which compound exhibits a -17.142\% 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 other words.
Options:
a) CCc1[nH]nc2c1C(Cc1ccccc1)C(C#N)=C(N)O2
b) O=C(CSc1nnc(Cc2ccccc2)n1C1CCCCC1)N1CCOCC1
Answer: a. CCc1[nH]nc2c1C(Cc1ccccc1)C(C#N)=C(N)O2
{#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#}
CCc1[nH]nc2c1C(Cc1ccccc1)C(C#N)=C(N)O2
CCc1[nH]nc2c1C(Cc1ccccc1)C(C#N)=C(N)O2
6-amino-4-benzyl-3-ethyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile