Task: Answer the multiple choice question.
Question: Which compound has a 1.964\% 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: Cc1ccc(C(N)=Nc2ccccc2)cc1
b: O=C(O)CCCNC(=O)OCc1ccccc1
c: COC(=O)c1c(NC(=O)/C=C/c2ccco2)sc2c1CCC2
Answer: b. O=C(O)CCCNC(=O)OCc1ccccc1
{#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#}
4-(phenylmethoxycarbonylamino)butanoic acid