Task: Answer the multiple-choice question.
Question: Which drug exhibits a 7.133\% 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. Cc1nc2ccc(Cl)cc2c(=O)n1-c1ccc([N+](=O)[O-])cc1
b. Cc1ccc(S(=O)(=O)Nc2ccc(Cl)cc2)cc1NC(=O)c1cc2c(s1)CCCC2
Answer: a. Cc1nc2ccc(Cl)cc2c(=O)n1-c1ccc([N+](=O)[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#}
Cc1nc2ccc(Cl)cc2c(=O)n1-c1ccc([N+](=O)[O-])cc1
Cc1nc2ccc(Cl)cc2c(=O)n1-c1ccc([N+](=O)[O-])cc1
6-chloro-2-methyl-3-(4-nitrophenyl)quinazolin-4-one