Problem statement: Answer the multiple choice question.
Query: Which drug has a 5.161\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCn1c(SCC(=O)NCCc2ccccc2)nnc1-c1cccs1
b: O=C(NNC(=O)c1ccc(Br)s1)c1cccc(S(=O)(=O)N2CCCC2)c1
Answer: a. CCn1c(SCC(=O)NCCc2ccccc2)nnc1-c1cccs1
{#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#}
CCn1c(SCC(=O)NCCc2ccccc2)nnc1-c1cccs1
CCn1c(SCC(=O)NCCc2ccccc2)nnc1-c1cccs1
2-[(4-ethyl-5-thiophen-2-yl-1,2,4-triazol-3-yl)sulfanyl]-N-(2-phenylethyl)acetamide