Task: Answer the multiple choice question.
Question: Which compound has a 3.648\% 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.) C=CCNc1nc(N2CCCCC2)c(C#N)c2c1CN(Cc1ccccc1)CC2
b.) Cc1nc2ncnn2c(N2CCN(C(=O)c3cccc(F)c3)CC2)c1C
c.) CNC(=S)NC1CC2CCCC(C1)N2CC(C)C
d.) c1ccc2c(c1)[nH]c1ccncc12
Answer: d. c1ccc2c(c1)[nH]c1ccncc12
{#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#}
c1ccc2c(c1)[nH]c1ccncc12
c1ccc2c(c1)[nH]c1ccncc12
5H-pyrido[4,3-b]indole