Task: Answer the multiple choice question.
Question: Which drug has a -2.255\% human ether-à-go-go related gene (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 Cc1ccc(N(CC(=O)NC(C)(C)C)C(=O)CNC(=O)c2cccs2)cc1
b NNC(=O)Cn1c2ccccc2c2ccccc21
c Cn1cc(S(=O)(=O)N2CCCC(C(=O)O)C2)cn1
d CCOc1cc(C)c(C(C)C)cc1S(=O)(=O)NCc1ccccn1
e CS(=O)(=O)N1CCN(C(=O)c2ccncc2)CC1
Answer: b. NNC(=O)Cn1c2ccccc2c2ccccc21
{#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#}
NNC(=O)Cn1c2ccccc2c2ccccc21
NNC(=O)Cn1c2ccccc2c2ccccc21
2-carbazol-9-ylacetohydrazide