Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.966\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(CCC(=O)N1CCN(c2ccccc2F)CC1)c1ccc(F)cc1
b. CCSc1nnc2c(n1)OC(C)(C)Nc1ccccc1-2
c. COC(=O)Cc1nnc(N)s1
Answer: a. O=C(CCC(=O)N1CCN(c2ccccc2F)CC1)c1ccc(F)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#}
1-(4-fluorophenyl)-4-[4-(2-fluorophenyl)piperazin-1-yl]butane-1,4-dione