Task: Answer the multiple choice question.
Query: Which compound has a -4.319\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cc1ccc2c(CN3CCN(Cc4ccc5c(c4)OCO5)CC3)cc(=O)oc2c1C
b C/C(=N\NC(=S)NCCc1ccccc1)c1ccc(Cl)cc1
Answer: a. Cc1ccc2c(CN3CCN(Cc4ccc5c(c4)OCO5)CC3)cc(=O)oc2c1C
{#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#}
Cc1ccc2c(CN3CCN(Cc4ccc5c(c4)OCO5)CC3)cc(=O)oc2c1C
Cc1ccc2c(CN3CCN(Cc4ccc5c(c4)OCO5)CC3)cc(=O)oc2c1C
4-[[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]methyl]-7,8-dimethylchromen-2-one