Task: Answer the multiple choice question.
Query: Which compound has a -49.316% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCCC(c1nnnn1CCc1ccccc1)N1CCN(C(=O)c2ccco2)CC1
[b] Cc1nn(C(C)C(=O)N/N=C/c2ccc(N(C)C)cc2)c(C)c1[N+](=O)[O-]
[c] O=C(Cc1ccc(-n2cnnn2)cc1)NC12CC3CC(CC(C3)C1)C2
[d] COc1ccccc1NC(=O)CSc1nc(O)c(Cc2ccccc2)c(=O)[nH]1
Answer: a. CCCC(c1nnnn1CCc1ccccc1)N1CCN(C(=O)c2ccco2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCC(c1nnnn1CCc1ccccc1)N1CCN(C(=O)c2ccco2)CC1
CCCC(c1nnnn1CCc1ccccc1)N1CCN(C(=O)c2ccco2)CC1
furan-2-yl-[4-[1-[1-(2-phenylethyl)tetrazol-5-yl]butyl]piperazin-1-yl]methanone