Task: Answer the multiple choice question.
Question: Which drug exhibits a -1.507% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CNc1ncnc2sc(-c3ccccc3)cc12
b) O=C(CCNC(=O)c1ccc([N+](=O)[O-])cc1)Nc1ccccc1N1CCOCC1
Answer: a. CNc1ncnc2sc(-c3ccccc3)cc12
{#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#}
CNc1ncnc2sc(-c3ccccc3)cc12
CNc1ncnc2sc(-c3ccccc3)cc12
N-methyl-6-phenylthieno[2,3-d]pyrimidin-4-amine