Task: Answer the multiple choice question.
Question: Which compound exhibits a 16.084\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CC(C)N1CCN(Cc2ccoc2)CC1CCO
b: COc1ccc(/C(N)=N/OC(=O)CC2CCCCC2)cc1OC
c: Cc1ccc(S(=O)(=O)N(C)CC(=O)Nc2ccccc2N2CCCC2)cc1
d: COc1ccccc1CNc1ncc(-c2ccc(F)cc2)n1C.O=C(O)C(=O)O
Answer: a. CC(C)N1CCN(Cc2ccoc2)CC1CCO
{#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#}
CC(C)N1CCN(Cc2ccoc2)CC1CCO
CC(C)N1CCN(Cc2ccoc2)CC1CCO
2-[4-(furan-3-ylmethyl)-1-propan-2-ylpiperazin-2-yl]ethanol