Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 17.699\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) CCCCCCNC(=O)Nc1ccccc1
b.) COc1ccc(S(=O)(=O)N(C)CC(=O)NC2CCCC2)cc1Cl
c.) COC(=O)C(C)(C)ONC(=O)Nc1ccc(C)cc1
d.) CC(=O)Nc1ccc2c(CSc3nncs3)cc(=O)oc2c1
Answer: a. CCCCCCNC(=O)Nc1ccccc1
{#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#}
CCCCCCNC(=O)Nc1ccccc1
CCCCCCNC(=O)Nc1ccccc1
1-hexyl-3-phenylurea