Task: Answer the multiple choice question.
Query: Which compound exhibits a 13.974\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] Cc1cc(NC(C)c2ccccc2)n2ncc(-c3ccccc3)c2n1
[b] COc1ccc(NC(=O)CCc2ccccc2)cc1NC(=O)c1ccco1
[c] O=C1CCCc2[nH]nc(-c3cccnc3)c21
[d] COc1cccc(-c2cc(C(=O)Nc3c(C)nn(Cc4ccccc4C)c3C)no2)c1
[e] CCOC(=O)C1CCN(C(=O)c2ccc(SC)cc2OC)CC1
Answer: a. Cc1cc(NC(C)c2ccccc2)n2ncc(-c3ccccc3)c2n1
{#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#}
5-methyl-3-phenyl-N-(1-phenylethyl)pyrazolo[1,5-a]pyrimidin-7-amine