Task: Answer the MCQ question.
Question: Which compound exhibits a 9.559\% 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 O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3cccnc23)c1
b CCCCNC(=O)Cn1cnc2ccc(S(=O)(=O)N3CCC(C)CC3)cc2c1=O
c CCCN1CN(Cc2ccco2)c2nc3ccccc3n2C1
d Cc1cc(N/N=C/c2cccc(Cl)c2)nc(NCc2ccccc2)n1
e COc1ccc(CNC(=O)c2cc(C(C)=O)c[nH]2)cc1
Answer: a. O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3cccnc23)c1
{#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#}
O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3cccnc23)c1
O=C(O)c1cccc(Nc2c([N+](=O)[O-])cc([N+](=O)[O-])c3cccnc23)c1
3-[(5,7-dinitroquinolin-8-yl)amino]benzoic acid