Task: Answer the multiple-choice question.
Question: Which compound exhibits a -0.826\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C1CC2(CCCC2)Oc2ccc(F)cc21
b. COc1ccc(S(=O)(=O)N2CCN(C(=O)CN3C(=O)NC(C)(c4ccc5ccccc5c4)C3=O)CC2)cc1
Answer: a. O=C1CC2(CCCC2)Oc2ccc(F)cc21
{#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=C1CC2(CCCC2)Oc2ccc(F)cc21
O=C1CC2(CCCC2)Oc2ccc(F)cc21
6-fluorospiro[3H-chromene-2,1'-cyclopentane]-4-one