Task: Answer the MCQ question.
Question: Which compound has a 1.343\% 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: CC(C)(C)c1noc2c1C(c1ccc(Br)cc1)C(C#N)=C(N)N2
b: CN1CCN(S(=O)(=O)c2cccc(C(=O)N(C)CC(=O)Nc3ccc(F)c(F)c3F)c2)CC1
c: O=S1(=O)C[C@@H](N2CCOCC2)[C@H](N2CCOCC2)C1
d: Cc1cc(C(=O)N/N=C/c2cc(Br)cc(Br)c2OC(=O)c2ccccc2)n[nH]1
Answer: c. O=S1(=O)C[C@@H](N2CCOCC2)[C@H](N2CCOCC2)C1
{#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#}
O=S1(=O)C[C@@H](N2CCOCC2)[C@H](N2CCOCC2)C1
O=S1(=O)C[C@@H](N2CCOCC2)[C@H](N2CCOCC2)C1
(3S,4S)-3,4-dimorpholin-4-ylthiolane 1,1-dioxide