Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -0.860\% 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.) O=C1Cc2ccccc2Sc2ccc(O)cc21
b.) O=C(Nc1ccc(Br)cc1)C1CCN(c2cnccn2)CC1
c.) CCOC(=O)N1CCN(c2c(N3CCN(c4cc(Cl)ccc4C)CC3)c(=O)c2=O)CC1
d.) N#Cc1c(C#N)c(-c2ccccc2)n(-c2ccc(C(=O)O)cc2)c1N
Answer: c. CCOC(=O)N1CCN(c2c(N3CCN(c4cc(Cl)ccc4C)CC3)c(=O)c2=O)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#}
CCOC(=O)N1CCN(c2c(N3CCN(c4cc(Cl)ccc4C)CC3)c(=O)c2=O)CC1
CCOC(=O)N1CCN(c2c(N3CCN(c4cc(Cl)ccc4C)CC3)c(=O)c2=O)CC1
ethyl4-[2-[4-(3-chloro-6-methylphenyl)piperazin-1-yl]-3,4-dioxocyclobuten-1-yl]piperazine-1-carboxylate