Task: Answer the MCQ question.
Query: Which drug exhibits a 0.225% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=c1[nH]c(SCc2cccc(Cl)c2)nc2c1CCCC2
b NS(=O)(=O)c1ccc(CCNc2nc3c(-c4cccc(F)c4)nnn3c3ccccc23)cc1
Answer: a. O=c1[nH]c(SCc2cccc(Cl)c2)nc2c1CCCC2
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1[nH]c(SCc2cccc(Cl)c2)nc2c1CCCC2
O=c1[nH]c(SCc2cccc(Cl)c2)nc2c1CCCC2
2-[(3-chlorophenyl)methylsulfanyl]-5,6,7,8-tetrahydro-3H-quinazolin-4-one