Problem statement: Answer the multiple choice question.
Query: Which compound has a 16.866\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: S=C(Nc1ccc(Cl)cc1)Nc1ccc2cn[nH]c2c1
b: Nc1[nH]nc2nc3ccccc3cc12
c: Cc1cc(S(=O)(=O)NC2CCCCC2)ccc1OCC(=O)NCc1ccccn1
d: Cc1cccc(OCc2nnc(SCc3nc4cc(C(F)(F)F)ccc4c(=O)[nH]3)o2)c1
Answer: b. Nc1[nH]nc2nc3ccccc3cc12
{#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#}
Nc1[nH]nc2nc3ccccc3cc12
Nc1[nH]nc2nc3ccccc3cc12
2H-pyrazolo[3,4-b]quinolin-3-amine