Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.258\% 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) Cc1ccc(C)c(NC(=O)CN(C)C(=O)CCN2C(=O)c3ccccc3C2=O)c1
(b) CCn1c(SCc2ccccc2)nc2c(c1=O)SCC2
Answer: b. CCn1c(SCc2ccccc2)nc2c(c1=O)SCC2
{#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#}
CCn1c(SCc2ccccc2)nc2c(c1=O)SCC2
CCn1c(SCc2ccccc2)nc2c(c1=O)SCC2
2-benzylsulfanyl-3-ethyl-6,7-dihydrothieno[3,2-d]pyrimidin-4-one