Task: Answer the multiple-choice question.
Question: Which drug has a 5.487\% 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: O=C(COC(=O)C1CC1)c1c[nH]c2ccccc12
b: O=C(Nc1ccc(S(=O)(=O)NCC2CCCO2)cc1)c1ccccc1F
c: COCCOc1ccc(C(F)(F)F)cc1NC(=O)COC(=O)C12CC3CC(CC(O)(C3)C1)C2
d: [Cl-].c1ccc(Cc2cc[n+](Cc3ccccc3)cc2)cc1
Answer: a. O=C(COC(=O)C1CC1)c1c[nH]c2ccccc12
{#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#}
O=C(COC(=O)C1CC1)c1c[nH]c2ccccc12
O=C(COC(=O)C1CC1)c1c[nH]c2ccccc12
[2-(1H-indol-3-yl)-2-oxoethyl] cyclopropanecarboxylate