Task: Answer the MCQ question.
Query: Which drug has a -4.330\% 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. CCn1c(=O)cc(SCC(=O)NCc2ccco2)c2ccccc21
b. CCOc1ccc(-c2nc(N)nc(C)c2-c2ccc(Cl)cc2)c(O)c1
c. CC(c1ccccc1)N1C(=O)c2cccnc2C1=O
Answer: b. CCOc1ccc(-c2nc(N)nc(C)c2-c2ccc(Cl)cc2)c(O)c1
{#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#}
CCOc1ccc(-c2nc(N)nc(C)c2-c2ccc(Cl)cc2)c(O)c1
CCOc1ccc(-c2nc(N)nc(C)c2-c2ccc(Cl)cc2)c(O)c1
2-[2-amino-5-(4-chlorophenyl)-6-methylpyrimidin-4-yl]-5-ethoxyphenol