Task: Answer the multiple-choice question.
Query: Which drug exhibits a 16.130\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCCCn1nc(CC(=O)NCCN(CC)CC)c2ccccc2c1=O
(b) COc1ccc(-n2c(C)n[nH]c2=O)cc1
(c) CCCn1cnc2sc(CC)cc2c1=O
Answer: c. CCCn1cnc2sc(CC)cc2c1=O
{#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#}
CCCn1cnc2sc(CC)cc2c1=O
CCCn1cnc2sc(CC)cc2c1=O
6-ethyl-3-propylthieno[2,3-d]pyrimidin-4-one