Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 1.869\% human ether-à-go-go related gene (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. CC(=O)c1cc(F)c(N2CCN(C(=O)c3ccco3)CC2)cc1C
b. Cc1cc[n+](CC[n+]2ccc(C)cc2)cc1.[Br-]
c. CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc(Br)s3)CC2)CC1
d. CCCCc1ccc(-c2c(C#N)c(N)nc3c2CCCC3)s1
Answer: a. CC(=O)c1cc(F)c(N2CCN(C(=O)c3ccco3)CC2)cc1C
{#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#}
CC(=O)c1cc(F)c(N2CCN(C(=O)c3ccco3)CC2)cc1C
CC(=O)c1cc(F)c(N2CCN(C(=O)c3ccco3)CC2)cc1C
1-[5-fluoro-4-[4-(furan-2-carbonyl)piperazin-1-yl]-2-methylphenyl]ethanone