Task: Answer the multiple-choice question.
Query: Which drug exhibits a 19.432\% 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) COc1ccc(C)cc1NC(=O)CN1C(=O)COc2ccc(S(=O)(=O)N3CCOCC3)cc21
b) Cc1ccc(C(=O)CCC(=O)Nc2ncccc2O)cc1
c) CCCc1c(O)c2ccccc2[nH]c1=O
d) COC(=O)c1ccc(NC(=O)c2cc3sccc3n2C)cc1
Answer: c. CCCc1c(O)c2ccccc2[nH]c1=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#}
CCCc1c(O)c2ccccc2[nH]c1=O
CCCc1c(O)c2ccccc2[nH]c1=O
4-hydroxy-3-propyl-1H-quinolin-2-one