Problem statement: Answer the multiple choice question.
Question: Which compound has a 20.219\% human ether-à-go-go related gene (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: c1ccc2c(c1)C(=Nn1cnnc1)c1ccccc1-2
b: Cc1cc(C)nc(SCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)n1
c: O=C(NC1CCCCCC1)c1nnc(Cc2ccc(Cl)cc2)o1
d: Cc1cc(C(=O)NC2CCN(Cc3ccccc3)CC2)n[nH]1
Answer: a. c1ccc2c(c1)C(=Nn1cnnc1)c1ccccc1-2
{#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)C(=Nn1cnnc1)c1ccccc1-2
c1ccc2c(c1)C(=Nn1cnnc1)c1ccccc1-2
N-(1,2,4-triazol-4-yl)fluoren-9-imine