Task: Answer the multiple-choice question.
Question: Which drug has a 5.999\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCOc1ccc(Cc2nn[nH]n2)cc1
b Cc1nc(SCC(=O)c2ccc(F)c(F)c2)[nH]c(=O)c1Oc1ccc(Cl)cc1
Answer: b. Cc1nc(SCC(=O)c2ccc(F)c(F)c2)[nH]c(=O)c1Oc1ccc(Cl)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#}
Cc1nc(SCC(=O)c2ccc(F)c(F)c2)[nH]c(=O)c1Oc1ccc(Cl)cc1
Cc1nc(SCC(=O)c2ccc(F)c(F)c2)[nH]c(=O)c1Oc1ccc(Cl)cc1
5-(4-chlorophenoxy)-2-[2-(3,4-difluorophenyl)-2-oxoethyl]sulfanyl-4-methyl-1H-pyrimidin-6-one