Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.557\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccnc(NC(=O)c2ccc(COc3ccc(Cl)cc3)o2)c1
b. O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
Answer: b. O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
{#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=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
N-(3-oxo-2-phenyl-1-sulfanylidene-6,7,8,9-tetrahydro-5H-pyrimido[1,6-a]azepin-4-yl)benzamide