Task: Answer the MCQ question.
Question: Which drug exhibits a -21.916% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCCCCCC(=O)N/N=C/c1ccco1
b. O=C(Cn1c(C(=O)NCC2CCCO2)cc2sccc21)c1ccccc1
c. CC(C)(C)C(=O)NN=C1CCC(c2ccccc2)CC1
d. CNC(=O)c1ccccc1S(=O)c1ccccc1COC(C)=O
Answer: a. CCCCCCC(=O)N/N=C/c1ccco1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCCCC(=O)N/N=C/c1ccco1
CCCCCCC(=O)N/N=C/c1ccco1
N-[(E)-furan-2-ylmethylideneamino]heptanamide