Task: Answer the MCQ question.
Query: Which drug has a 28.131\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=C(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]
b C[C@@H]1O[C@@H](O[C@@H]2C(=O)c3c(O)cc(O)cc3O[C@H]2c2ccc(O)c(O)c2)[C@H](O)[C@H](O)[C@H]1O
c Cc1cc2n(n1)C(c1cn(-c3ccccc3)nc1C)Nc1ccccc1-2
d CC(C)(O)C(=O)NN(Cc1ccccc1)c1ccccc1
e Cc1ccc(NC(=O)C2CCN(S(C)(=O)=O)CC2)cc1
Answer: a. O=C(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]
{#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(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]
O=C(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]
1-(4-nitrophenyl)-2-[4-[2-(4-nitrophenyl)-2-oxoethyl]-1,2,4-triazol-4-ium-1-yl]ethanone;bromide