Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 7.375\% 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) COCCCNc1nc2nonc2nc1N(C)CC1CCCN1C
(b) Cc1c(C(=O)NCCS(=O)(=O)N2CCN(c3ccccc3F)CC2)cccc1[N+](=O)[O-]
Answer: a. COCCCNc1nc2nonc2nc1N(C)CC1CCCN1C
{#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#}
COCCCNc1nc2nonc2nc1N(C)CC1CCCN1C
COCCCNc1nc2nonc2nc1N(C)CC1CCCN1C
6-N-(3-methoxypropyl)-5-N-methyl-5-N-[(1-methylpyrrolidin-2-yl)methyl]-[1,2,5]oxadiazolo[3,4-b]pyrazine-5,6-diamine