Task: Answer the multiple choice question.
Query: Which compound exhibits a 10.281\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) Cn1nnnc1SCC(=O)c1c(N)n(C2CC2)c(=O)[nH]c1=O
b) CCN1CCN(C(=O)c2cc3ccc(OC)cc3[nH]2)CC1
c) COc1ccc2[nH]c3c(c2c1)CCNC3(C)CCc1ccc(Cl)nc1
d) CCOC(=O)C1CCN(C(=O)COC(=O)Cc2ccc(Cl)cc2)CC1
Answer: b. CCN1CCN(C(=O)c2cc3ccc(OC)cc3[nH]2)CC1
{#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#}
CCN1CCN(C(=O)c2cc3ccc(OC)cc3[nH]2)CC1
CCN1CCN(C(=O)c2cc3ccc(OC)cc3[nH]2)CC1
(4-ethylpiperazin-1-yl)-(6-methoxy-1H-indol-2-yl)methanone