Task: Answer the MCQ question.
Question: Which compound exhibits a 6.601\% 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 or b without using any other words.
Options:
a.) O=C(Nc1cccnc1)Nc1ccc(Br)cc1Cl
b.) CCC1c2ccc(C)n2CCN1C(=O)Nc1ccc(F)cc1
Answer: a. O=C(Nc1cccnc1)Nc1ccc(Br)cc1Cl
{#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(Nc1cccnc1)Nc1ccc(Br)cc1Cl
O=C(Nc1cccnc1)Nc1ccc(Br)cc1Cl
1-(4-bromo-2-chlorophenyl)-3-pyridin-3-ylurea