Task: Answer the multiple-choice question.
Query: Which compound exhibits a 15.847\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1ccccc1C(=O)c1ccc2c(c1)n(C)c(=O)n2C
b. CCOc1ccc(NC(=O)c2sccc2-n2cccc2)cc1
c. Cc1cc(-c2ccccc2)nc(N/N=C/c2cccnc2)n1
d. COc1ccc(C(CNC(=O)c2oc3c(Cl)cccc3c2C)N2CCCC2)cc1
Answer: b. CCOc1ccc(NC(=O)c2sccc2-n2cccc2)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(=O)c2sccc2-n2cccc2)cc1
CCOc1ccc(NC(=O)c2sccc2-n2cccc2)cc1
N-(4-ethoxyphenyl)-3-pyrrol-1-ylthiophene-2-carboxamide