Problem statement: Answer the multiple choice question.
Question: Which compound has a 2.171\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1ccc(-n2ncc3c(=O)n(CC(=O)N4CCN(c5ccccc5)CC4)cnc32)cc1C
b. CCCCn1c(N)c(N(CC)C(=O)c2cc(S(=O)(=O)N3CCCCCC3)ccc2OC)c(=O)[nH]c1=O
Answer: a. Cc1ccc(-n2ncc3c(=O)n(CC(=O)N4CCN(c5ccccc5)CC4)cnc32)cc1C
{#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#}
Cc1ccc(-n2ncc3c(=O)n(CC(=O)N4CCN(c5ccccc5)CC4)cnc32)cc1C
Cc1ccc(-n2ncc3c(=O)n(CC(=O)N4CCN(c5ccccc5)CC4)cnc32)cc1C
1-(3,4-dimethylphenyl)-5-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]pyrazolo[3,4-d]pyrimidin-4-one