Task: Answer the MCQ question.
Query: Which compound exhibits a 18.205\% 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 COC(=O)CN(C#N)c1nc(C)cc(C)n1
b O=C(N1CCCCCC1)N1CCN(S(=O)(=O)N2CCCCC2)CC1
c FC(F)(F)c1cc(CCN2C(=S)NC[C@@H]2CC2CCCCC2)cc(C(F)(F)F)c1
d Cc1c(C=O)c(=O)n(-c2ccccc2)n1C
e CCOC(=O)N1CCN(S(=O)(=O)c2ccc([N+](=O)[O-])cc2)CC1
Answer: d. Cc1c(C=O)c(=O)n(-c2ccccc2)n1C
{#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#}
Cc1c(C=O)c(=O)n(-c2ccccc2)n1C
Cc1c(C=O)c(=O)n(-c2ccccc2)n1C
1,5-dimethyl-3-oxo-2-phenylpyrazole-4-carbaldehyde