Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 3.860\% 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) COc1cccc(OC(=O)c2cc3ccccc3oc2=O)c1
(b) CCOC(=O)/C=c1\s/c(=C\c2ccccc2OC)c(=O)n1CC(=O)N1CCOCC1
Answer: a. COc1cccc(OC(=O)c2cc3ccccc3oc2=O)c1
{#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#}
COc1cccc(OC(=O)c2cc3ccccc3oc2=O)c1
COc1cccc(OC(=O)c2cc3ccccc3oc2=O)c1
(3-methoxyphenyl) 2-oxochromene-3-carboxylate