Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.537\% 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=c1c2c(nc3nc(COc4ccccc4)[nH]n13)CCC2
(b) Cc1csc(SCC(=O)Nc2sccc2C(N)=O)n1
Answer: b. Cc1csc(SCC(=O)Nc2sccc2C(N)=O)n1
{#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#}
Cc1csc(SCC(=O)Nc2sccc2C(N)=O)n1
Cc1csc(SCC(=O)Nc2sccc2C(N)=O)n1
2-[[2-[(4-methyl-1,3-thiazol-2-yl)sulfanyl]acetyl]amino]thiophene-3-carboxamide