Task: Answer the MCQ question.
Query: Which drug exhibits a 3.778\% 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 O=C(NCc1csc(-c2ccccc2)n1)c1ccco1
b O=[N+]([O-])c1ccccc1-c1cc(-c2cc(Cl)ccc2O)n[nH]1
Answer: b. O=[N+]([O-])c1ccccc1-c1cc(-c2cc(Cl)ccc2O)n[nH]1
{#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-])c1ccccc1-c1cc(-c2cc(Cl)ccc2O)n[nH]1
O=[N+]([O-])c1ccccc1-c1cc(-c2cc(Cl)ccc2O)n[nH]1
[O][=N+1][Branch1][C][O-1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][Branch1][=N][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][O][=N][NH1][Ring1][=N]
4-chloro-2-[5-(2-nitrophenyl)-1H-pyrazol-3-yl]phenol