Task: Answer the multiple-choice question.
Query: Which compound exhibits a -0.519\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) Oc1[nH]c2ccccc2c1C=Nc1ccccc1
b) CCCCC(=O)N(Cc1nc2sc(C)c(C)c2c(=O)[nH]1)C1CCCC1
c) CS(=O)(=O)N(CC(=O)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1)c1ccccc1Cl
Answer: a. Oc1[nH]c2ccccc2c1C=Nc1ccccc1
{#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#}
Oc1[nH]c2ccccc2c1C=Nc1ccccc1
Oc1[nH]c2ccccc2c1C=Nc1ccccc1
3-(phenyliminomethyl)-1H-indol-2-ol