Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 11.938\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21
(b) CCOc1nc(NCCO)nc(NCCC2=CCCCC2)n1
(c) CC(c1cccs1)N(C)C(=O)CCc1nnc(CCC2CCCCC2)o1
Answer: a. CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21
{#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#}
CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21
CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21
9-butyl-1-methyl-8-phenyl-3H-purine-2,6-dione