Task: Answer the MCQ question.
Query: Which drug exhibits a -26.745% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C1OC(N2CCN(Cc3ccccc3)CC2)c2ccccc21
b. Cc1cccc(NCc2ccc([N+](=O)[O-])s2)c1
c. OC1(C#Cc2c(-c3ccsc3)oc3ccc(N4CCOCC4)cc23)CCCCC1
d. CCCCC(CCC(=O)NNC(=O)Cc1ccccc1)C(=O)O
Answer: b. Cc1cccc(NCc2ccc([N+](=O)[O-])s2)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1cccc(NCc2ccc([N+](=O)[O-])s2)c1
Cc1cccc(NCc2ccc([N+](=O)[O-])s2)c1
3-methyl-N-[(5-nitrothiophen-2-yl)methyl]aniline