Task: Answer the MCQ question.
Question: Which drug has a -4.946\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C1c2ccccc2C(=O)N1CCCc1nc2ccccc2c(=O)n1-c1cccnc1
b) CCCCNc1ncnc2c1cnn2-c1ccccc1
c) CCCC(C)c1nnc(NC(=O)CCS(=O)(=O)Cc2ccccc2)s1
d) CCOc1ccc(Nc2nc(-c3sc(N)nc3C)cs2)cc1
Answer: b. CCCCNc1ncnc2c1cnn2-c1ccccc1
{#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#}
CCCCNc1ncnc2c1cnn2-c1ccccc1
CCCCNc1ncnc2c1cnn2-c1ccccc1
N-butyl-1-phenylpyrazolo[3,4-d]pyrimidin-4-amine