Task: Answer the multiple-choice question.
Question: Which compound has a -0.621\% 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 additional words.
Options:
a) O=C1ON=C(c2ccccc2)/C1=C/c1ccccc1
b) COC(=O)CNC(=O)C1CCN(S(=O)(=O)c2cccc3nsnc23)CC1
c) O=S(=O)(NC1CC2CCC1C2)c1ccc(Br)s1
d) COc1ccc(OC)c2sc(Cl)nc12
Answer: d. COc1ccc(OC)c2sc(Cl)nc12
{#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(OC)c2sc(Cl)nc12
COc1ccc(OC)c2sc(Cl)nc12
2-chloro-4,7-dimethoxy-1,3-benzothiazole