Task: Answer the MCQ question.
Question: Which compound has a -0.550\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCOC(=O)COc1c(/C=N\O)cc(Cl)cc1OC
[b] O=C(CCc1nnc(-c2ccc3c(c2)OCO3)o1)N(Cc1ccncc1)CC1CCCO1
[c] O=C(NC1CCS(=O)(=O)C1)c1ccc(N2CCCCC2)c([N+](=O)[O-])c1
Answer: a. CCOC(=O)COc1c(/C=N\O)cc(Cl)cc1OC
{#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#}
CCOC(=O)COc1c(/C=N\O)cc(Cl)cc1OC
CCOC(=O)COc1c(/C=N\O)cc(Cl)cc1OC
ethyl 2-[4-chloro-2-[(Z)-hydroxyiminomethyl]-6-methoxyphenoxy]acetate