Task: Answer the MCQ question.
Question: Which drug has a 8.858\% 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 other words.
Options:
a Cl.OC(CN1CCNCC1)Cn1c2ccccc2c2ccccc21
b COc1ccc(NC(=O)c2oc3ccccc3c2NC(=O)C2CC2)c(OC)c1
Answer: a. Cl.OC(CN1CCNCC1)Cn1c2ccccc2c2ccccc21
{#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#}
Cl.OC(CN1CCNCC1)Cn1c2ccccc2c2ccccc21
Cl.OC(CN1CCNCC1)Cn1c2ccccc2c2ccccc21
1-carbazol-9-yl-3-piperazin-1-ylpropan-2-ol;hydrochloride