Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 18.974\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a COc1ccccc1-c1c(C#N)c(N)nc2c1CCC2
b CCC1Oc2ccccc2N(CC(=O)NCCCN2CCCC2)C1=O
c Fc1ccc2nc3n(c2c1F)CCCCCC3
d Nc1nc(Cl)nc2ncn(Cc3ccccc3)c12
Answer: d. Nc1nc(Cl)nc2ncn(Cc3ccccc3)c12
{#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#}
Nc1nc(Cl)nc2ncn(Cc3ccccc3)c12
Nc1nc(Cl)nc2ncn(Cc3ccccc3)c12
7-benzyl-2-chloropurin-6-amine