Task: Answer the multiple choice question.
Query: Which compound exhibits a 5.157\% 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 COc1ccc([N+](=O)[O-])cc1NC(C)C
b COc1ccccc1C(=O)NCCCNC(=O)c1cccnc1
c C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)[C@H](CCCCN)n3cc(C[C@@H](C)CC)nn3)CC2)nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)[C@@H]([C@H](C)O)n3cc(C)nn3)CC2)n1
Answer: a. COc1ccc([N+](=O)[O-])cc1NC(C)C
{#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#}
COc1ccc([N+](=O)[O-])cc1NC(C)C
COc1ccc([N+](=O)[O-])cc1NC(C)C
2-methoxy-5-nitro-N-propan-2-ylaniline