Task: Answer the multiple choice question.
Query: Which compound has a 17.138\% 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) CC(=O)c1c(C(C)=O)c(C)n(NC(=O)c2ccc(Cl)cc2)c1C
b) CCOC(=O)C(C(=O)OCC)N(C#N)c1nc(SC)nc(N(C)C)n1
c) CCCCOc1ncnc2c1[nH]c1ccccc12
d) CCN1CCN(c2ccc(NC(=O)CCc3c(C)nc4c(-c5ccccc5)c(C)nn4c3C)cc2)CC1
Answer: c. CCCCOc1ncnc2c1[nH]c1ccccc12
{#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#}
CCCCOc1ncnc2c1[nH]c1ccccc12
CCCCOc1ncnc2c1[nH]c1ccccc12
4-butoxy-5H-pyrimido[5,4-b]indole