Problem statement: Answer the MCQ question.
Question: Which drug has a 1.940\% 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: COc1ccccc1NC=C1C(=O)OC2(CCCCC2)OC1=O
b: N#C/C(=C\Nc1ccc(F)c(Cl)c1)S(=O)(=O)c1ccccn1
c: O=C(CSc1ccccn1)Nc1ccccc1F
Answer: a. COc1ccccc1NC=C1C(=O)OC2(CCCCC2)OC1=O
{#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#}
COc1ccccc1NC=C1C(=O)OC2(CCCCC2)OC1=O
COc1ccccc1NC=C1C(=O)OC2(CCCCC2)OC1=O
3-[(2-methoxyanilino)methylidene]-1,5-dioxaspiro[5.5]undecane-2,4-dione