Task: Answer the MCQ question.
Question: Which compound exhibits a 2.526\% 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: CN1C(=O)c2ccccc2N(C)C1c1ccc(F)cc1
b: O=C1NC2(CCCCC2)N=C1c1ccc(F)cc1
Answer: b. O=C1NC2(CCCCC2)N=C1c1ccc(F)cc1
{#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#}
O=C1NC2(CCCCC2)N=C1c1ccc(F)cc1
O=C1NC2(CCCCC2)N=C1c1ccc(F)cc1
3-(4-fluorophenyl)-1,4-diazaspiro[4.5]dec-3-en-2-one