Task: Answer the MCQ question.
Question: Which compound exhibits a 21.524% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COCC(=O)Nc1cccc2ccccc12
[b] CN(C)S(=O)(=O)c1ccc(NC(=O)c2cccnc2)cc1
[c] Cc1nnc(N(C)C(=O)Cc2ccc3c(c2)OCO3)s1
[d] COc1cccc(OC)c1OCCNCCO
Answer: d. COc1cccc(OC)c1OCCNCCO
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cccc(OC)c1OCCNCCO
COc1cccc(OC)c1OCCNCCO
2-[2-(2,6-dimethoxyphenoxy)ethylamino]ethanol