Task: Answer the multiple-choice question.
Question: Which drug exhibits a -6.594\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CC1(C)C2CC[C@]3(C)C(CC=C4[C@@H]5C[C@@](C)(CO)[C@@H](O)C[C@]56C[C@@H](OC6=O)[C@]43C)[C@@]2(C)CC[C@@H]1O
b Cc1csc2nc(O)c(C(=O)NCc3ccc4c(c3)OCO4)c(=O)n12
c CC(C)CN1C(Nc2ccccc2)=NC[C@@H]1C
d CCCCNc1nc2ccccc2n1CC(=O)N1CCc2ccccc2C1
e O=C1CCc2ccc(NC(=O)C3CC3)cc2N1
Answer: d. CCCCNc1nc2ccccc2n1CC(=O)N1CCc2ccccc2C1
{#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#}
CCCCNc1nc2ccccc2n1CC(=O)N1CCc2ccccc2C1
CCCCNc1nc2ccccc2n1CC(=O)N1CCc2ccccc2C1
2-[2-(butylamino)benzimidazol-1-yl]-1-(3,4-dihydro-1H-isoquinolin-2-yl)ethanone