Task: Answer the multiple-choice question.
Query: Which drug has a 21.722% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) CCOC(=O)C1(CCOc2ccccc2)CCN(C(C)CSC)CC1
b) Cn1nc([N+](=O)[O-])nc1Sc1nnnn1-c1ccc(C(=O)O)cc1
c) Cc1cc(C(=O)N/N=C/c2cccnc2)n[nH]1
d) CC(C#N)CCC#N
e) COCCNC(=O)c1ccc(CSc2nc3ccccc3s2)cc1
Answer: d. CC(C#N)CCC#N
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC(C#N)CCC#N
CC(C#N)CCC#N
2-methylpentanedinitrile