Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.917\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1cccc(C(=O)Nc2ccc(C(=O)/C=C/c3cccnc3)cc2)c1
[b] COc1ccc(-c2oc(=O)c3cc(OC)c(OC)cc3c2/C=C/c2cccc([N+](=O)[O-])c2)cc1
Answer: b. COc1ccc(-c2oc(=O)c3cc(OC)c(OC)cc3c2/C=C/c2cccc([N+](=O)[O-])c2)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#}
COc1ccc(-c2oc(=O)c3cc(OC)c(OC)cc3c2/C=C/c2cccc([N+](=O)[O-])c2)cc1
COc1ccc(-c2oc(=O)c3cc(OC)c(OC)cc3c2/C=C/c2cccc([N+](=O)[O-])c2)cc1
6,7-dimethoxy-3-(4-methoxyphenyl)-4-[(E)-2-(3-nitrophenyl)ethenyl]isochromen-1-one