Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -7.654\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COC(=O)c1nn(-c2ccccc2)c(=O)cc1Oc1ccc(Cl)cc1
b: COc1ccc(S(=O)(=O)n2nc(-n3c(C)ccc3C)c3c(F)cccc32)cc1OC
c: COc1ccc(CN2CCN(C(=O)c3cccc4ccccc34)CC2)cc1Br
d: CNC(C)C#Cc1ccc2c(=O)c3ccccc3oc2c1
Answer: a. COC(=O)c1nn(-c2ccccc2)c(=O)cc1Oc1ccc(Cl)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#}
COC(=O)c1nn(-c2ccccc2)c(=O)cc1Oc1ccc(Cl)cc1
COC(=O)c1nn(-c2ccccc2)c(=O)cc1Oc1ccc(Cl)cc1
methyl 4-(4-chlorophenoxy)-6-oxo-1-phenylpyridazine-3-carboxylate