Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 5.184\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) Nc1nc(-c2cc(O)ccc2[N+](=O)[O-])cc(-c2ccccc2)c1[N+](=O)[O-]
b.) COc1ccc(CNC(=O)CN(c2ccc(OC)cc2)S(=O)(=O)c2c(C)nn(C)c2C)cc1
c.) O=C(Cn1nc(-c2ccccc2)c2ccccc2c1=O)NCCN1CCOCC1
d.) C/C=C/c1ccc(OCC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCCC2)c(OC)c1
Answer: a. Nc1nc(-c2cc(O)ccc2[N+](=O)[O-])cc(-c2ccccc2)c1[N+](=O)[O-]
{#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#}
Nc1nc(-c2cc(O)ccc2[N+](=O)[O-])cc(-c2ccccc2)c1[N+](=O)[O-]
Nc1nc(-c2cc(O)ccc2[N+](=O)[O-])cc(-c2ccccc2)c1[N+](=O)[O-]
3-(6-amino-5-nitro-4-phenylpyridin-2-yl)-4-nitrophenol