Problem statement: Answer the MCQ question.
Query: Which compound has a 0.895\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC12CCC(C(=O)Nc3ncc([N+](=O)[O-])s3)(OC1=O)C2(C)C
b) O=C(N/N=C\c1ccc(COc2ccc([N+](=O)[O-])cc2)o1)c1ccccc1Cl
Answer: a. CC12CCC(C(=O)Nc3ncc([N+](=O)[O-])s3)(OC1=O)C2(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#}
4,7,7-trimethyl-N-(5-nitro-1,3-thiazol-2-yl)-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxamide