Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.620\% 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 other words.
Options:
(a) O=C(CSc1nnc(-c2ccccc2)o1)N1CCCCC1
(b) c1ccc(-n2nnnc2OCCOc2nnnn2-c2ccccc2)cc1
Answer: b. c1ccc(-n2nnnc2OCCOc2nnnn2-c2ccccc2)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#}
c1ccc(-n2nnnc2OCCOc2nnnn2-c2ccccc2)cc1
c1ccc(-n2nnnc2OCCOc2nnnn2-c2ccccc2)cc1
1-phenyl-5-[2-(1-phenyltetrazol-5-yl)oxyethoxy]tetrazole