Task: Answer the multiple choice question.
Question: Which drug has a 16.300\% 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 other words.
Options:
a: O=C(O)CCC(=O)N1CCN(c2ncccn2)CC1
b: CCC(=O)Nc1cccc(-c2ccc(N3CCC(C)CC3)nn2)c1
c: COc1cccc(/C=N/NC(=S)NCCc2ccccc2)c1OC
d: CC1CCN(C(=O)c2cc3c(ccc4ccccc43)o2)CC1
Answer: a. O=C(O)CCC(=O)N1CCN(c2ncccn2)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#}
O=C(O)CCC(=O)N1CCN(c2ncccn2)CC1
O=C(O)CCC(=O)N1CCN(c2ncccn2)CC1
4-hydroxy-1-(4-pyrimidin-2-ylpiperazin-1-yl)butane-1,4-dione