Task: Answer the MCQ question.
Question: Which drug exhibits a 2.313\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC(C)(C)C(=O)NCCN1C(=O)S/C(=C\c2ccc([N+](=O)[O-])cc2)C1=O
b CCN(CC)C(=O)c1ccc(NC(=O)Cn2nc(C)c3ccccc3c2=O)cc1
Answer: a. CC(C)(C)C(=O)NCCN1C(=O)S/C(=C\c2ccc([N+](=O)[O-])cc2)C1=O
{#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#}
CC(C)(C)C(=O)NCCN1C(=O)S/C(=C\c2ccc([N+](=O)[O-])cc2)C1=O
CC(C)(C)C(=O)NCCN1C(=O)S/C(=C\c2ccc([N+](=O)[O-])cc2)C1=O
2,2-dimethyl-N-[2-[(5Z)-5-[(4-nitrophenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]ethyl]propanamide