Task: Answer the MCQ question.
Question: Which drug exhibits a 21.159\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: O=c1c(-c2ccccc2)coc2cc(O)ccc12
b: CCOC(=O)N1CCN(C(=O)c2ccc(N(Cc3ccccc3)S(C)(=O)=O)cc2)CC1
c: CC1(C)CC(C(CC(=O)O)c2ccccc2)CCO1
Answer: c. CC1(C)CC(C(CC(=O)O)c2ccccc2)CCO1
{#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#}
CC1(C)CC(C(CC(=O)O)c2ccccc2)CCO1
CC1(C)CC(C(CC(=O)O)c2ccccc2)CCO1
3-(2,2-dimethyloxan-4-yl)-3-phenylpropanoic acid