Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 2.465\% 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) O=C(Nc1ccc(C(F)(F)F)cn1)Nc1cccs1
b) COC(=O)c1cc(OC)nc2ccc(Br)cc12
c) Clc1cccc(Cl)c1COc1ccccn1
Answer: b. COC(=O)c1cc(OC)nc2ccc(Br)cc12
{#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#}
COC(=O)c1cc(OC)nc2ccc(Br)cc12
COC(=O)c1cc(OC)nc2ccc(Br)cc12
methyl6-bromo-2-methoxyquinoline-4-carboxylate