Task: Answer the multiple-choice question.
Question: Which compound has a 8.254\% 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. CSc1ccc(C(=O)NCC(=O)O)cc1[N+](=O)[O-]
b. Cc1ccnc(-n2c(-c3ccccc3)nc3ccccc3c2=O)c1
c. CCSc1nc(C2CC2)cc(-c2cccs2)c1C#N
d. NCCc1ccccn1
Answer: d. NCCc1ccccn1
{#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#}
NCCc1ccccn1
NCCc1ccccn1
2-pyridin-2-ylethanamine