Task: Answer the MCQ question.
Question: Which drug has a -5.684% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1[nH]c(=S)[nH]c(=O)c1Cc1ccc(OCC(C)C)cc1
b. O=c1[nH]c(CN2CCN(c3ccccc3O)CC2)nc2scc(-c3ccccc3Cl)c12
Answer: b. O=c1[nH]c(CN2CCN(c3ccccc3O)CC2)nc2scc(-c3ccccc3Cl)c12
{#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(CN2CCN(c3ccccc3O)CC2)nc2scc(-c3ccccc3Cl)c12
O=c1[nH]c(CN2CCN(c3ccccc3O)CC2)nc2scc(-c3ccccc3Cl)c12
5-(2-chlorophenyl)-2-[[4-(2-hydroxyphenyl)piperazin-1-yl]methyl]-3H-thieno[2,3-d]pyrimidin-4-one