Task: Answer the multiple-choice question.
Question: Which compound has a 11.127\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CN=C(NC1CCCCC1)c1ccc([N+](=O)[O-])cc1
b. COc1cccc(CN(C)C(=O)CCNC(=O)c2ccc(Br)cc2)c1
c. Cc1c(Cc2ccccc2)c(=O)oc2c(C)c(OCC(=O)N[C@@H](Cc3ccccc3)C(=O)O)ccc12
Answer: a. CN=C(NC1CCCCC1)c1ccc([N+](=O)[O-])cc1
{#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#}
CN=C(NC1CCCCC1)c1ccc([N+](=O)[O-])cc1
CN=C(NC1CCCCC1)c1ccc([N+](=O)[O-])cc1
N-cyclohexyl-N'-methyl-4-nitrobenzenecarboximidamide