Problem statement: Answer the MCQ question.
Question: Which drug has a 3.960\% 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: COc1ccc(-c2c(C)c3ccc(O)cc3oc2=O)cc1
b: CCOC(=O)c1ccc(NC(=O)CCc2nc(-c3ccccc3)no2)cc1
c: Cc1ccccc1[C@@]1(C)ON(c2ccccc2C(F)(F)F)C1=O
d: CCCn1c(-c2nonc2N)nc2ccccc21
Answer: d. CCCn1c(-c2nonc2N)nc2ccccc21
{#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#}
CCCn1c(-c2nonc2N)nc2ccccc21
CCCn1c(-c2nonc2N)nc2ccccc21
4-(1-propylbenzimidazol-2-yl)-1,2,5-oxadiazol-3-amine