Task: Answer the MCQ question.
Query: Which drug exhibits a 0.937\% 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, or d without using any additional words.
Options:
a: COc1ccccc1C1CCN(c2ccc([N+](=O)[O-])cn2)CC1
b: CC(C)(O)C#Cc1ccc(CN2CCCC(CO)(Cc3cccc(Cl)c3)C2)cc1
c: O=C(CNC(=S)NC(=O)C1CCCCC1)c1ccccc1
d: CCc1cc(=O)oc2cc(OC(C)C(=O)O)c(Cl)cc12
Answer: a. COc1ccccc1C1CCN(c2ccc([N+](=O)[O-])cn2)CC1
{#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#}
COc1ccccc1C1CCN(c2ccc([N+](=O)[O-])cn2)CC1
COc1ccccc1C1CCN(c2ccc([N+](=O)[O-])cn2)CC1
2-[4-(2-methoxyphenyl)piperidin-1-yl]-5-nitropyridine