Task: Answer the multiple choice question.
Question: Which compound has a 12.303\% 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 additional words.
Options:
a: O=c1[nH]ncn1-c1ccccc1
b: COc1ccc(CCC(=O)O)cc1OC
c: O=C(Cc1c[nH]c2ccccc12)NCc1ccc(Cl)cc1Cl
Answer: a. O=c1[nH]ncn1-c1ccccc1
{#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=c1[nH]ncn1-c1ccccc1
O=c1[nH]ncn1-c1ccccc1
4-phenyl-1H-1,2,4-triazol-5-one