Task: Answer the MCQ question.
Question: Which drug exhibits a -11.381% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) O=C(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc([N+](=O)[O-])cc1
b.) CCC1CCCCN1c1ccc([N+](=O)[O-])cc1/C=N/NC(=O)Cn1c2ccccc2c(=O)c2ccccc21
c.) CCS(=O)(=O)c1nc(S(=O)(=O)c2ccc(Cl)cc2)c(N2CCN(CCO)CC2)s1
d.) O=C(NNC(=O)c1cc2cc(Br)ccc2oc1=O)c1ccc(O)cc1
Answer: a. O=C(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc([N+](=O)[O-])cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc([N+](=O)[O-])cc1
O=C(Nc1cccc(-c2ccc(N3CCOCC3)nn2)c1)c1ccc([N+](=O)[O-])cc1
N-[3-(6-morpholin-4-ylpyridazin-3-yl)phenyl]-4-nitrobenzamide