Task: Answer the multiple-choice question.
Query: Which drug has a 5.551\% 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 other words.
Options:
a) COCc1cc(C)nc(SCc2ccccc2Cl)c1C#N
b) CCOc1ccccc1OCCOCCOc1ccccc1[N+](=O)[O-]
c) Cc1ccc2[nH]c(=S)cc(C)c2c1
d) CCC(C)NC(=O)[C@@H]1CCCN1C(=O)C1CCN(S(=O)(=O)c2ccc(C)cc2)CC1
Answer: b. CCOc1ccccc1OCCOCCOc1ccccc1[N+](=O)[O-]
{#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#}
CCOc1ccccc1OCCOCCOc1ccccc1[N+](=O)[O-]
CCOc1ccccc1OCCOCCOc1ccccc1[N+](=O)[O-]
1-[2-[2-(2-ethoxyphenoxy)ethoxy]ethoxy]-2-nitrobenzene