Task: Answer the multiple choice question.
Question: Which drug has a 6.821\% 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: Cc1ccc(C(=O)NCCCN2CCOCC2)c(C)c1
b: Nc1c(-c2cccc(Cl)c2)cnn1-c1ccccc1
c: Cc1ccc(C)c(OCC(=O)N2CCN(c3ncccn3)CC2)c1
d: Nc1cc(N)nc(SCCN2CCCCC2)n1
Answer: d. Nc1cc(N)nc(SCCN2CCCCC2)n1
{#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#}
Nc1cc(N)nc(SCCN2CCCCC2)n1
Nc1cc(N)nc(SCCN2CCCCC2)n1
2-(2-piperidin-1-ylethylsulfanyl)pyrimidine-4,6-diamine