Task: Answer the MCQ question.
Question: Which drug exhibits a 0.235\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a c1ccc(OCCn2c(-c3ccco3)nc3ccccc32)cc1
b Nc1nc(Nc2ccccc2F)sc1C(=O)c1ccccc1
c COc1ccc(-n2c(-c3ccccc3[N+](=O)[O-])nc3ccccc3c2=O)cc1
d Cc1cc(=O)n2nc(N3CCCC(C(=O)NCc4ccccc4C)C3)sc2n1
Answer: c. COc1ccc(-n2c(-c3ccccc3[N+](=O)[O-])nc3ccccc3c2=O)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#}
COc1ccc(-n2c(-c3ccccc3[N+](=O)[O-])nc3ccccc3c2=O)cc1
COc1ccc(-n2c(-c3ccccc3[N+](=O)[O-])nc3ccccc3c2=O)cc1
3-(4-methoxyphenyl)-2-(2-nitrophenyl)quinazolin-4-one