Task: Answer the multiple-choice question.
Query: Which compound has a 1.916\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. C/[N+]([O-])=C1\Cc2ccccc2C1=O
b. CC(C)(C)[C@]1(O)CCN2C[C@H]3c4ccccc4CCc4cccc(c43)[C@@H]2C1.Cl
c. O=C(CCc1nnc(CCCCc2ccccc2)o1)NCc1cccc(F)c1
d. CCCNc1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccc(F)cc1
Answer: d. CCCNc1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccc(F)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#}
7-[(4-fluorophenyl)methyl]-3-methyl-8-(propylamino)purine-2,6-dione