Problem statement: Answer the MCQ question.
Query: Which drug has a 10.766\% human ether-à-go-go related gene (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) O=C(O)CCC(=O)Nc1ccc(C(=O)OC2CCCCC2)cc1
b) CCCSc1cc(N2CCCC2)nc(-c2ccccc2)n1
Answer: b. CCCSc1cc(N2CCCC2)nc(-c2ccccc2)n1
{#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#}
2-phenyl-4-propylsulfanyl-6-pyrrolidin-1-ylpyrimidine