Task: Answer the multiple choice question.
Question: Which drug exhibits a -1.989% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. CCn1cc(C(=O)c2cccs2)c2ccccc21
b. Cc1ccc2nc(-c3cccc(NC(=O)c4ccco4)c3)[nH]c2c1
c. CCN(CC)CCCNC(=O)c1c(O)c2cc(F)cc3c2n(c1=O)C(C)CC3.Cl
d. CC[C@@]1(O)C(=O)OCc2c1cc1n(c2=O)Cc2cc3c(N)cccc3nc2-1
e. O=C1NC[C@@H](Cc2cccc3ccccc23)N(CCC23CC4CC(CC(C4)C2)C3)C1=O
Answer: a. CCn1cc(C(=O)c2cccs2)c2ccccc21
{#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#}
CCn1cc(C(=O)c2cccs2)c2ccccc21
CCn1cc(C(=O)c2cccs2)c2ccccc21
(1-ethylindol-3-yl)-(thiophen-2-yl)methanone