Problem statement: Answer the multiple choice question.
Question: Which drug has a 2.167\% 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.) C=CCN(CC=C)C(=S)NC(=O)c1ccc(OC)c(Br)c1
b.) COc1ccc(N2CC(C)Cn3c2nc2c3c(=O)n(CCN3CCOCC3)c(=O)n2C)cc1
Answer: b. COc1ccc(N2CC(C)Cn3c2nc2c3c(=O)n(CCN3CCOCC3)c(=O)n2C)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#}
9-(4-methoxyphenyl)-1,7-dimethyl-3-(2-morpholin-4-ylethyl)-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione