Task: Answer the multiple choice question.
Question: Which compound exhibits a 0.821\% 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 other words.
Options:
a) O=C(NN1CCOCC1)c1ccc(Br)cc1
b) Cc1cccc(N2CCN(c3ccc4cc(S(=O)(=O)N5CCCCC5)ccc4n3)CC2C)c1
c) COc1ccccc1N1CCN(C(=O)Cc2cccs2)CC1
d) CCCn1nnnc1NC(=O)COc1ccc(Cl)cc1C
Answer: d. CCCn1nnnc1NC(=O)COc1ccc(Cl)cc1C
{#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#}
CCCn1nnnc1NC(=O)COc1ccc(Cl)cc1C
CCCn1nnnc1NC(=O)COc1ccc(Cl)cc1C
2-(4-chloro-2-methylphenoxy)-N-(1-propyltetrazol-5-yl)acetamide