Task: Answer the multiple-choice question.
Question: Which compound has a 15.931\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Cc1ccc(NC(=O)CSc2nc3ccccc3c(=O)n2CCCN2CCCCC2)cc1Cl
b O=C(O)c1ccc(Cl)c(S(=O)(=O)N2CCCCCC2)c1
c FC(F)(F)c1ccc(N2CCN(c3ncnc4c3nnn4Cc3ccccc3Cl)CC2)cc1
Answer: c. FC(F)(F)c1ccc(N2CCN(c3ncnc4c3nnn4Cc3ccccc3Cl)CC2)cc1
{#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#}
3-[(2-chlorophenyl)methyl]-7-[4-[4-(trifluoromethyl)phenyl]piperazin-1-yl]triazolo[4,5-d]pyrimidine