Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.367\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCOc1ccc(N/C=C/C(=O)c2ccc3ccccc3c2)c([N+](=O)[O-])c1
b) CCCn1c(-c2ccc(F)cc2)cnc1SCC(=O)O
Answer: b. CCCn1c(-c2ccc(F)cc2)cnc1SCC(=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#}
2-[5-(4-fluorophenyl)-1-propylimidazol-2-yl]sulfanylaceticacid