Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 9.940\% 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) COc1ccc2[nH]c3nc(SC(C)C)nnc3c2c1
(b) Cc1ccc(-n2nc3cc(C)c(NC(=S)NC(=O)/C=C/c4ccco4)cc3n2)cc1
Answer: a. COc1ccc2[nH]c3nc(SC(C)C)nnc3c2c1
{#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#}
COc1ccc2[nH]c3nc(SC(C)C)nnc3c2c1
COc1ccc2[nH]c3nc(SC(C)C)nnc3c2c1
8-methoxy-3-propan-2-ylsulfanyl-5H-[1,2,4]triazino[5,6-b]indole