Problem statement: Answer the multiple choice question.
Question: Which compound has a 4.070\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1ccc(N(C(=O)c2snc(C(N)=O)c2N)C(C(=O)NCC2CCCO2)c2ccc(C)o2)cc1OC
b CS(=O)(=O)N1CCN(Cc2ccc([N+](=O)[O-])cc2)CC1
Answer: b. CS(=O)(=O)N1CCN(Cc2ccc([N+](=O)[O-])cc2)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#}
CS(=O)(=O)N1CCN(Cc2ccc([N+](=O)[O-])cc2)CC1
CS(=O)(=O)N1CCN(Cc2ccc([N+](=O)[O-])cc2)CC1
1-methylsulfonyl-4-[(4-nitrophenyl)methyl]piperazine