Task: Answer the MCQ question.
Query: Which drug exhibits a 4.135\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C(NCCc1ccc(Cl)cc1)C1CCCN1C(=O)NCc1ccccc1
b) COc1ccccc1/C=N/NC(=O)Cn1cnc([N+](=O)[O-])n1
c) COc1ccc(N2C(=O)C3C(c4ccc(OC)cc4O)NC(Cc4ccccc4)(C(=O)O)C3C2=O)cc1
d) COc1ccc(Nc2nc(-c3cccs3)nc3ccccc23)cc1
Answer: b. COc1ccccc1/C=N/NC(=O)Cn1cnc([N+](=O)[O-])n1
{#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#}
COc1ccccc1/C=N/NC(=O)Cn1cnc([N+](=O)[O-])n1
COc1ccccc1/C=N/NC(=O)Cn1cnc([N+](=O)[O-])n1
N-[(E)-(2-methoxyphenyl)methylideneamino]-2-(3-nitro-1,2,4-triazol-1-yl)acetamide