Task: Answer the MCQ question.
Question: Which drug exhibits a -39.992\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CN(C)c1ccc(C2=NOC(CN3C(=O)c4ccccc4S3(=O)=O)C2)cc1
[b] COc1ccc(N2CCN(c3ccc(NC(=O)c4ccc5c(c4)OCO5)cc3C#N)CC2)cc1
[c] Cc1ccc2c(c1)nnn2C1CCN(CC(=O)Nc2cc(C)on2)CC1
[d] Br.CCCCCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
Answer: d. Br.CCCCCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
{#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#}
Br.CCCCCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
Br.CCCCCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
1-(furan-2-yl)-2-(3-heptyl-2-iminobenzimidazol-1-yl)ethanone;hydrobromide