Problem statement: Answer the multiple-choice question.
Query: Which compound has a 4.781\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. CCOC(=O)c1sc2nc(C)n(CC(=O)NCc3ccco3)c(=O)c2c1C
b. CSc1ccc(S(=O)(=O)NCCOc2ccccc2C)cc1
c. CS(=O)(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCCN3CCOCC3)c2)CC1
d. CCOc1ccccc1NC(=O)COC(=O)CSc1ccc(Cl)cc1
e. O=C(c1ccco1)N1CCN(C(=O)C2CCN(S(=O)(=O)c3cccc4nsnc34)CC2)CC1
Answer: c. CS(=O)(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCCN3CCOCC3)c2)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#}
5-(4-methylsulfonylpiperazin-1-yl)-N-(2-morpholin-4-ylethyl)-2-nitroaniline