Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -1.355\% 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) CCc1ccc2[nH]c(=O)c(C(c3nnnn3CCOC)N3CCN(c4ccccc4F)CC3)cc2c1
(b) CCOc1ccc(NC(=S)N2CCn3c(nc4ccccc43)C2)cc1
Answer: b. CCOc1ccc(NC(=S)N2CCn3c(nc4ccccc43)C2)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#}
CCOc1ccc(NC(=S)N2CCn3c(nc4ccccc43)C2)cc1
CCOc1ccc(NC(=S)N2CCn3c(nc4ccccc43)C2)cc1
N-(4-ethoxyphenyl)-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazole-2-carbothioamide