Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -2.588\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(COc1cccc2cccnc12)NNC(=S)Nc1ccccc1
(b) O=[N+]([O-])c1ccc(-c2cc(-c3ccc(Cl)cc3)n[nH]2)cc1
Answer: b. O=[N+]([O-])c1ccc(-c2cc(-c3ccc(Cl)cc3)n[nH]2)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#}
O=[N+]([O-])c1ccc(-c2cc(-c3ccc(Cl)cc3)n[nH]2)cc1
O=[N+]([O-])c1ccc(-c2cc(-c3ccc(Cl)cc3)n[nH]2)cc1
[O][=N+1][Branch1][C][O-1][C][=C][C][=C][Branch2][Ring1][Branch1][C][=C][C][Branch1][N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][=N][NH1][Ring1][N][C][=C][Ring2][Ring1][C]
3-(4-chlorophenyl)-5-(4-nitrophenyl)-1H-pyrazole