Task: Answer the MCQ question.
Question: Which compound has a 17.336\% 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, or c without using any additional words.
Options:
(a) Cc1ccccc1Oc1ccccc1N
(b) O=C(COc1c(Br)cc(Br)c2cccnc12)N1CCCCC1
(c) CCc1ccc(N2C(=O)c3sc4nnc(C)c(=O)n4c3C2=O)cc1
Answer: a. Cc1ccccc1Oc1ccccc1N
{#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#}
Cc1ccccc1Oc1ccccc1N
Cc1ccccc1Oc1ccccc1N
2-(2-methylphenoxy)aniline