Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 4.275\% 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) CNc1nc2c3ccccc3n(C(C)=O)c2s1
(b) COc1ccc(N2CC(O)=C(c3nc(-c4ccc(F)cc4)cs3)C2=N)cc1
(c) O=[N+]([O-])c1nn(-c2ccc3c(c2)OCCO3)n(O)c1=NC1CCN(Cc2ccccc2)CC1
(d) COc1c2c(cc3c1C(CC(O)Cc1ccccc1)N(C)CC3)OCO2
Answer: a. CNc1nc2c3ccccc3n(C(C)=O)c2s1
{#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#}
CNc1nc2c3ccccc3n(C(C)=O)c2s1
CNc1nc2c3ccccc3n(C(C)=O)c2s1
1-[2-(methylamino)-[1,3]thiazolo[5,4-b]indol-4-yl]ethanone