Task: Answer the MCQ question.
Query: Which drug exhibits a 1.948\% 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 additional words.
Options:
a CC(C)(C)C(=O)N1CCN(c2ccnc3cc(Cl)ccc23)CC1
b COc1ccc(O)c(C(=O)c2cnc3nc4ccccc4n3c2)c1
Answer: b. COc1ccc(O)c(C(=O)c2cnc3nc4ccccc4n3c2)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#}
COc1ccc(O)c(C(=O)c2cnc3nc4ccccc4n3c2)c1
COc1ccc(O)c(C(=O)c2cnc3nc4ccccc4n3c2)c1
(2-hydroxy-5-methoxyphenyl)-(pyrimido[1,2-a]benzimidazol-3-yl)methanone