Task: Answer the MCQ question.
Question: Which drug exhibits a 5.437\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1cccc(C)c1NC(=O)CN1CCNCC1
[b] CCc1nnc(NC(=O)c2cc(S(=O)(=O)N3CCCCC3)ccc2N2CCOCC2)s1
Answer: a. Cc1cccc(C)c1NC(=O)CN1CCNCC1
{#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#}
Cc1cccc(C)c1NC(=O)CN1CCNCC1
Cc1cccc(C)c1NC(=O)CN1CCNCC1
N-(2,6-dimethylphenyl)-2-piperazin-1-ylacetamide