Task: Answer the MCQ question.
Question: Which drug has a 15.243\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(NCc1ccc2c(c1)OCO2)c1cc(-c2ccccc2)c(N2CCOCC2)s1
b. COc1cccc2c1Oc1cc([N+](=O)[O-])cc(N(C)C(C)=O)c1C=C2
Answer: b. COc1cccc2c1Oc1cc([N+](=O)[O-])cc(N(C)C(C)=O)c1C=C2
{#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#}
COc1cccc2c1Oc1cc([N+](=O)[O-])cc(N(C)C(C)=O)c1C=C2
COc1cccc2c1Oc1cc([N+](=O)[O-])cc(N(C)C(C)=O)c1C=C2
N-(10-methoxy-2-nitrobenzo[b][1]benzoxepin-4-yl)-N-methylacetamide