Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.505\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COCCOCC(O)CN1CCN(c2ccccc2)CC1.O=C(O)C(=O)O
b. Cn1c(-c2nonc2N)nc2ccccc21
c. CC1(C)CC(=O)C=C(Nc2ccccn2)C1
d. COc1ccc(N=C2SCC(=O)N2CCc2ccc(OC)c(OC)c2)cc1
Answer: b. Cn1c(-c2nonc2N)nc2ccccc21
{#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#}
Cn1c(-c2nonc2N)nc2ccccc21
Cn1c(-c2nonc2N)nc2ccccc21
4-(1-methylbenzimidazol-2-yl)-1,2,5-oxadiazol-3-amine