Task: Answer the MCQ question.
Question: Which compound exhibits a 12.189\% 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 CCc1nnc(NC(=O)c2ccc(COc3cccc(C)c3)o2)s1
b COc1ccccc1NS(=O)(=O)c1ccc(N/N=C/C=C/c2ccccc2[N+](=O)[O-])c([N+](=O)[O-])c1
c O=C(CCc1ccccc1)NNC(=O)c1ccco1
d O=c1c2ccccc2nc(SCCN2CCOCC2)n1CCc1ccccc1
e Cc1ccc(C)c(OCCC(=O)OCC(=O)N(C)c2c(N)n(Cc3ccccc3)c(=O)[nH]c2=O)c1
Answer: c. O=C(CCc1ccccc1)NNC(=O)c1ccco1
{#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(CCc1ccccc1)NNC(=O)c1ccco1
O=C(CCc1ccccc1)NNC(=O)c1ccco1
N'-(3-phenylpropanoyl)furan-2-carbohydrazide