Problem statement: Answer the multiple choice question.
Question: Which drug has a -1.042\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Cc1ccnc(SCc2ccc([N+](=O)[O-])cc2)n1
[b] NS(=O)(=O)c1ccc(CCNC(=O)C2CCCN(S(=O)(=O)c3cccnc3)C2)cc1
[c] CCN(CC)C(=O)CN(C#N)c1nc(OC)nc(N(C)C)n1
Answer: a. Cc1ccnc(SCc2ccc([N+](=O)[O-])cc2)n1
{#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#}
Cc1ccnc(SCc2ccc([N+](=O)[O-])cc2)n1
Cc1ccnc(SCc2ccc([N+](=O)[O-])cc2)n1
4-methyl-2-[(4-nitrophenyl)methylsulfanyl]pyrimidine