Task: Answer the MCQ question.
Question: Which compound has a 20.227\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) O=C(C1CC1)N1CCCC(c2ccc(Cl)cc2)=N1
b) C=CCn1c(C)cc(C(=O)COc2ccc(C)nc2[N+](=O)[O-])c1C
c) Nc1c(Br)cc([N+](=O)[O-])cc1[N+](=O)[O-]
Answer: a. O=C(C1CC1)N1CCCC(c2ccc(Cl)cc2)=N1
{#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#}
[6-(4-chlorophenyl)-4,5-dihydro-3H-pyridazin-2-yl]-cyclopropylmethanone