Problem statement: Answer the multiple choice question.
Question: Which drug has a 17.825\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CC1(C)CC2CC(C)(CN2C(=O)COC(=O)c2n[nH]c(=O)c3ccccc23)C1
b: COc1ccc(N2CCc3c(C)nc4c(OC)cc(OC)cc4c32)cc1
c: CCN(C(=O)CSc1nnc2ccccn12)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
d: Cc1cnc(NCCc2ccccc2)s1
Answer: d. Cc1cnc(NCCc2ccccc2)s1
{#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-N-(2-phenylethyl)-1,3-thiazol-2-amine