Task: Answer the multiple choice question.
Question: Which drug exhibits a 8.586\% 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) COc1ccccc1OCCCCN1CCCCC1
(b) CCOc1ccc(/C=N/Nc2cc(N3CCOCC3)nc(C)n2)c(O)c1
(c) CC1CN(CCOc2ccccc2[N+](=O)[O-])CC(C)O1.O=C(O)C(=O)O
(d) Cc1[nH]n(-c2ccccc2)c(=O)c1Sc1ccc(Cl)cc1
Answer: a. COc1ccccc1OCCCCN1CCCCC1
{#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#}
COc1ccccc1OCCCCN1CCCCC1
COc1ccccc1OCCCCN1CCCCC1
1-[4-(2-methoxyphenoxy)butyl]piperidine