Task: Answer the MCQ question.
Query: Which drug exhibits a 22.209% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1cccc(CN2CC(C(=O)N3CCCCCCC3)CCC2=O)c1
b: Cc1nn2c3cc(N4CCOCC4)ccc3nc2c2ccccc12
c: CC1C(C)N1CC(O)Cn1ccnc1[N+](=O)[O-]
Answer: b. Cc1nn2c3cc(N4CCOCC4)ccc3nc2c2ccccc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1nn2c3cc(N4CCOCC4)ccc3nc2c2ccccc12
Cc1nn2c3cc(N4CCOCC4)ccc3nc2c2ccccc12
4-(5-methylbenzimidazolo[2,1-a]phthalazin-9-yl)morpholine