Task: Answer the MCQ question.
Query: Which compound has a -1.890\% 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] CCN1CCc2nc(NC(=O)C(c3ccccc3)c3ccccc3)sc2C1
[b] Cc1cccc(NC(=O)C2CCCN(C(=O)Nc3ccccc3)C2)c1C
Answer: b. Cc1cccc(NC(=O)C2CCCN(C(=O)Nc3ccccc3)C2)c1C
{#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#}
3-N-(2,3-dimethylphenyl)-1-N-phenylpiperidine-1,3-dicarboxamide