Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.960\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) COCCn1c(-c2cccs2)csc1=Nc1cccnc1
b) Cc1nc(SCC(=O)c2c[nH]c3ccccc23)n[nH]1
c) Cc1ccccc1-n1nnnc1SC1CCOC1=O
d) Cc1nc([N+](=O)[O-])c(Br)n1CC(=O)c1cccc([N+](=O)[O-])c1
e) Cn1c(CC(=O)Nc2ccc(Cl)cc2)nnc1SCC(=O)N1CCOCC1
Answer: a. COCCn1c(-c2cccs2)csc1=Nc1cccnc1
{#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#}
COCCn1c(-c2cccs2)csc1=Nc1cccnc1
COCCn1c(-c2cccs2)csc1=Nc1cccnc1
3-(2-methoxyethyl)-N-pyridin-3-yl-4-thiophen-2-yl-1,3-thiazol-2-imine