Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -0.040\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)c1c(C)nc2cc(C)ccn12
(b) O=C(NC1(C(F)(F)F)NC(=O)N(C2CCCCC2)C1=O)c1cccs1
Answer: a. CCOC(=O)c1c(C)nc2cc(C)ccn12
{#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#}
CCOC(=O)c1c(C)nc2cc(C)ccn12
CCOC(=O)c1c(C)nc2cc(C)ccn12
ethyl 2,7-dimethylimidazo[1,2-a]pyridine-3-carboxylate