Task: Answer the multiple-choice question.
Question: Which drug has a 11.944% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CC1(c2nnc(Cc3ccccc3)o2)CC(c2ccc([N+](=O)[O-])cc2)=NO1
(b) COc1ccccc1-n1cnc(N)c1C(C)=O
(c) Nc1ncnc2c1ncn2CCc1ccccc1
Answer: c. Nc1ncnc2c1ncn2CCc1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Nc1ncnc2c1ncn2CCc1ccccc1
Nc1ncnc2c1ncn2CCc1ccccc1
9-(2-phenylethyl)purin-6-amine