Task: Answer the multiple-choice question.
Query: Which drug has a 8.852\% 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 other words.
Options:
a O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)cc1
b Cc1c(Br)c([N+](=O)[O-])nn1CC(=O)N1CCN(Cc2ccccc2)CC1
c Cc1c(Br)c(C(F)(F)F)nn1CC(=O)NCCCn1ccnc1
d CN(C)S(=O)(=O)c1ccc(NC(=O)c2cc(F)c(F)cc2Cl)cc1
e Cc1ccc(-n2[nH]c(C)c(/C=N/Nc3ccc([N+](=O)[O-])cc3[N+](=O)[O-])c2=O)cc1C
Answer: a. O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)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#}
O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)cc1
O=C(Nc1ccc2nc3ccccc3nc2c1)c1ccc(Br)cc1
4-bromo-N-phenazin-2-ylbenzamide