Task: Answer the MCQ question.
Question: Which drug exhibits a 5.800\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: COc1ccc(C(=O)NCC(c2ccco2)N2CCCC2)cc1S(=O)(=O)N1CCCCC1C
b: C#CC1(O)CC(C)NCC1(C)CCC#N
c: O=C(Cc1n[nH]c(=O)c2ccccc12)OCC(=O)N(Cc1ccccc1)Cc1ccccc1
d: CCCCN(CC)CCNC(=O)C1CCN(S(=O)(=O)c2cccc3nsnc23)CC1
e: Cc1ccc(/C=N/NC(=O)CSc2nnc(-c3ccccc3)n2-c2ccc(Cl)cc2)o1
Answer: b. C#CC1(O)CC(C)NCC1(C)CCC#N
{#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#}
C#CC1(O)CC(C)NCC1(C)CCC#N
C#CC1(O)CC(C)NCC1(C)CCC#N
3-(4-ethynyl-4-hydroxy-3,6-dimethylpiperidin-3-yl)propanenitrile