Task: Answer the multiple choice question.
Question: Which drug has a 0.729\% 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. CCC(OC(=O)CC1Sc2ccccc2NC1=O)C(=O)NCC1CCCO1
b. CCNCCNc1ccc([N+](=O)[O-])c2cccnc12
c. Oc1cc(Cl)cc(Cl)c1Cl
d. Clc1ncn(CCOc2ccccc2)c1Cl
e. Cc1cccc(N2CCN(C(=O)C3CCN(S(=O)(=O)c4cnc[nH]4)CC3)CC2)c1C
Answer: b. CCNCCNc1ccc([N+](=O)[O-])c2cccnc12
{#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#}
CCNCCNc1ccc([N+](=O)[O-])c2cccnc12
CCNCCNc1ccc([N+](=O)[O-])c2cccnc12
[C][C][N][C][C][N][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][C][=C][N][=C][Ring1][=N][Ring1][=Branch1]
[8-[2-(ethylamino)ethylamino]quinolin-5-yl]-oxido-oxoazanium