Problem statement: Answer the multiple choice question.
Question: Which compound has a 19.517\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1c(CCC(=O)N2CCC[C@H]2C(=O)O)c(=O)oc2cc3oc4c(c3cc12)CCCC4
(b) N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1
Answer: b. N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1
{#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#}
N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1
N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1
6-(3,5-difluoroanilino)-9-(2,2-difluoroethyl)purine-2-carbonitrile