Problem statement: Answer the multiple-choice question.
Query: Which drug has a 19.746\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCN(CC)S(=O)(=O)c1cc(NC(=O)COC(=O)c2ccc(NC(=O)CC#N)cc2)ccc1C
b O=C(O)c1cnn(-c2nc(-c3cccc([N+](=O)[O-])c3)cs2)c1C(F)(F)F
Answer: b. O=C(O)c1cnn(-c2nc(-c3cccc([N+](=O)[O-])c3)cs2)c1C(F)(F)F
{#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#}
O=C(O)c1cnn(-c2nc(-c3cccc([N+](=O)[O-])c3)cs2)c1C(F)(F)F
O=C(O)c1cnn(-c2nc(-c3cccc([N+](=O)[O-])c3)cs2)c1C(F)(F)F
1-[4-(3-nitrophenyl)-1,3-thiazol-2-yl]-5-(trifluoromethyl)pyrazole-4-carboxylic acid