Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -1.551\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) CC1CCN(S(=O)(=O)c2ccc(C(=O)NC3CCS(=O)(=O)C3)cc2)CC1
b) CCOc1ccc(N2C(=O)CC(N)C2=O)cc1
c) COC(=O)c1cc(=O)c2c([N+](=O)[O-])ccc(OC)c2o1
d) O=C(NCc1ccccn1)c1ccc(NS(=O)(=O)c2ccccc2)cc1
e) COc1ccc(C(=O)CC(SCC(NC(C)=O)C(=O)O)c2ccc(Cl)cc2)cc1OC
Answer: c. COC(=O)c1cc(=O)c2c([N+](=O)[O-])ccc(OC)c2o1
{#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#}
COC(=O)c1cc(=O)c2c([N+](=O)[O-])ccc(OC)c2o1
COC(=O)c1cc(=O)c2c([N+](=O)[O-])ccc(OC)c2o1
methyl 8-methoxy-5-nitro-4-oxochromene-2-carboxylate