Task: Answer the multiple choice question.
Question: Which drug exhibits a -5.777\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) C=C(C)CNC(=S)N/N=C/c1ccc([N+](=O)[O-])cc1
(b) FC(F)(F)c1nnc(N2CCN(c3ccccn3)CC2)s1
(c) COc1ccc(-c2nn(-c3ccccc3)cc2C(=O)O)cc1OC
Answer: b. FC(F)(F)c1nnc(N2CCN(c3ccccn3)CC2)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#}
2-(4-pyridin-2-ylpiperazin-1-yl)-5-(trifluoromethyl)-1,3,4-thiadiazole