Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 13.919\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CSCC[C@H](NS(=O)(=O)c1ccc(C)cc1)C(=O)N1CCC(C(=O)N[C@H](C(=O)O)c2ccccc2)CC1
b. O=c1c2ccccc2ncn1-c1ccc([N+](=O)[O-])cc1Cl
Answer: b. O=c1c2ccccc2ncn1-c1ccc([N+](=O)[O-])cc1Cl
{#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=c1c2ccccc2ncn1-c1ccc([N+](=O)[O-])cc1Cl
O=c1c2ccccc2ncn1-c1ccc([N+](=O)[O-])cc1Cl
3-(2-chloro-4-nitrophenyl)quinazolin-4-one