Problem statement: Answer the multiple choice question.
Query: Which drug has a 15.467\% 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 CCCNC(=O)CN(Cc1ccco1)S(=O)(=O)c1ccc(OCC)cc1
b CC1CCN(c2c(NCC3CCC(C(=O)NCc4ccc(F)cc4)CC3)c(=O)c2=O)CC1
c CCCCCCCCC(=O)O
Answer: c. CCCCCCCCC(=O)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#}
CCCCCCCCC(=O)O
CCCCCCCCC(=O)O
nonanoicacid