Problem statement: Answer the MCQ question.
Question: Which compound has a 12.680\% 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 other words.
Options:
a.) O=C(Nc1c[nH]c(=O)[nH]c1=O)c1ccc([N+](=O)[O-])cc1
b.) CCn1c(C)cc2c(c1=O)C(c1ccccc1Br)C(C#N)=C(N)O2
c.) O=c1c2ccccc2nnn1Cc1ccc(F)cc1
d.) CC(=O)Nc1nc(CCN2C(=O)c3ccccc3C2=O)cs1
e.) O=C1/C(=C/c2ccc([N+](=O)[O-])cc2)N2CCC1CC2
Answer: a. O=C(Nc1c[nH]c(=O)[nH]c1=O)c1ccc([N+](=O)[O-])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#}
O=C(Nc1c[nH]c(=O)[nH]c1=O)c1ccc([N+](=O)[O-])cc1
O=C(Nc1c[nH]c(=O)[nH]c1=O)c1ccc([N+](=O)[O-])cc1
N-(2,4-dioxo-1H-pyrimidin-5-yl)-4-nitrobenzamide