Task: Answer the multiple choice question.
Question: Which drug has a 17.156\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCN(CC)C(=S)SSC(=S)N(CC)CC
b) O=C(COC(=O)CCc1ccccc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
Answer: a. CCN(CC)C(=S)SSC(=S)N(CC)CC
{#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#}
CCN(CC)C(=S)SSC(=S)N(CC)CC
CCN(CC)C(=S)SSC(=S)N(CC)CC
diethylcarbamothioylsulfanyl N,N-diethylcarbamodithioate