Task: Answer the multiple-choice question.
Query: Which drug exhibits a 24.009\% 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, b, c, or d without using any other words.
Options:
a CCOC(=O)C1=C(COc2ccccc2)NC(=O)NC1c1ccc(Cl)cc1
b COc1ccc(-c2cc3c(=O)n(CC(=O)Nc4ccc(Cl)cc4)ncn3n2)cc1
c COCCCn1c(=S)[nH]c2ncccc2c1=O
d O=C(NC(=S)NCc1ccc(F)cc1)c1ccccc1
Answer: b. COc1ccc(-c2cc3c(=O)n(CC(=O)Nc4ccc(Cl)cc4)ncn3n2)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#}
COc1ccc(-c2cc3c(=O)n(CC(=O)Nc4ccc(Cl)cc4)ncn3n2)cc1
COc1ccc(-c2cc3c(=O)n(CC(=O)Nc4ccc(Cl)cc4)ncn3n2)cc1
N-(4-chlorophenyl)-2-[2-(4-methoxyphenyl)-4-oxopyrazolo[1,5-d][1,2,4]triazin-5-yl]acetamide