Task: Answer the multiple-choice question.
Question: Which compound exhibits a 7.169\% human ether-à-go-go related gene (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=C1N(C2CCCC2)C[C@@H]2C[C@@H](c3cn[nH]c3-c3ccc(Cl)cc3)N3CCC[C@@]123
b) O=c1c2ccccc2ccc2ccccc12
Answer: b. O=c1c2ccccc2ccc2ccccc12
{#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=c1c2ccccc2ccc2ccccc12
O=c1c2ccccc2ccc2ccccc12
tricyclo[9.4.0.03,8]pentadeca-1(11),3,5,7,9,12,14-heptaen-2-one