Problem statement: Answer the MCQ question.
Query: Which compound has a 9.931\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) O=C(Nc1ccccn1)Nc1ccccc1[N+](=O)[O-]
(b) O=C(NCc1cccs1)c1cccnc1SCCS(=O)(=O)c1ccc(C(F)(F)F)cn1
(c) COC(=O)C1=C(C)OC(N)=C(C#N)C1c1ccc(OC)c(OC)c1OC
(d) COc1ccc(CCNC(=O)COC(=O)Cc2cc(OC)c(OC)c(OC)c2)cc1
(e) O=C(NC1CCCCC1)C(c1cccnc1)N(C(=O)c1csnn1)c1ccccc1F
Answer: a. O=C(Nc1ccccn1)Nc1ccccc1[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#}
O=C(Nc1ccccn1)Nc1ccccc1[N+](=O)[O-]
O=C(Nc1ccccn1)Nc1ccccc1[N+](=O)[O-]
oxido-oxo-[2-(pyridin-2-ylcarbamoylamino)phenyl]azanium