Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 6.973\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) COc1ccc(CC(=O)NNC(=O)COc2ccc(C)cc2)cc1S(=O)(=O)N1CCOCC1
b) O=C1CSc2nc3ccccc3n21
c) Cc1ccc(CNC(=O)C2CCCN2C(=O)NCc2ccccc2)cc1
d) CC(C)Oc1ccccc1/C=N/Nc1ccccc1[N+](=O)[O-]
e) O=C(Nc1ccc(F)cc1)OCCOc1ccc([N+](=O)[O-])cc1
Answer: b. O=C1CSc2nc3ccccc3n21
{#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=C1CSc2nc3ccccc3n21
O=C1CSc2nc3ccccc3n21
[1,3]thiazolo[3,2-a]benzimidazol-1-one