Task: Answer the multiple-choice question.
Question: Which drug exhibits a 22.000\% 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 additional words.
Options:
a: Cc1nc(SCC(=O)NC2CCCCC2C)c(C#N)c(C)c1C
b: CC(=O)N1CCN(C(=O)c2cc(=O)c3ccccc3o2)CC1
c: O=C(NNC1CC(=O)N(c2ccccc2)C1=O)c1cccnc1
d: COc1ccc(NC(=O)C(Sc2nnc(-c3ccncc3)n2-c2ccccc2C)c2ccccc2)cc1Cl
Answer: b. CC(=O)N1CCN(C(=O)c2cc(=O)c3ccccc3o2)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#}
CC(=O)N1CCN(C(=O)c2cc(=O)c3ccccc3o2)CC1
CC(=O)N1CCN(C(=O)c2cc(=O)c3ccccc3o2)CC1
2-(4-acetylpiperazine-1-carbonyl)chromen-4-one