Task: Answer the MCQ question.
Query: Which compound has a -9.997\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) O=[N+]([O-])c1ccc(N2CCN(c3ccccc3Cl)CC2)cn1
b.) CC(C)CC(NC(N)=O)C(=O)NCc1ccccc1Cl
c.) COc1ccc(Cl)cc1NC(=S)NCc1cccnc1
d.) CC(C)c1cc(C(=O)N/N=C/c2ccco2)n[nH]1
Answer: a. O=[N+]([O-])c1ccc(N2CCN(c3ccccc3Cl)CC2)cn1
{#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=[N+]([O-])c1ccc(N2CCN(c3ccccc3Cl)CC2)cn1
O=[N+]([O-])c1ccc(N2CCN(c3ccccc3Cl)CC2)cn1
1-(2-chlorophenyl)-4-(6-nitropyridin-3-yl)piperazine