Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.570\% 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) CNCC(O)COc1cccc(OC)c1
(b) CCN1c2ccccc2NC2C1C(C(C)=O)C(=O)N2c1ccc(Cl)cc1
(c) CCN(CC)C(=O)CCCOc1ccc(Cl)cc1Cl
(d) c1cnc2nc(-c3ccc4c(c3)OCO4)cn2c1
Answer: a. CNCC(O)COc1cccc(OC)c1
{#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#}
CNCC(O)COc1cccc(OC)c1
CNCC(O)COc1cccc(OC)c1
1-(3-methoxyphenoxy)-3-(methylamino)propan-2-ol