Task: Answer the MCQ question.
Query: Which drug has a 8.787\% 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. C/C(=N\NC(=O)CNC(=O)c1ccc2c(c1)OCO2)c1ccco1
b. O=C(c1sccc1Br)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: b. O=C(c1sccc1Br)N1CCN(Cc2ccc3c(c2)OCO3)CC1
{#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#}
O=C(c1sccc1Br)N1CCN(Cc2ccc3c(c2)OCO3)CC1
O=C(c1sccc1Br)N1CCN(Cc2ccc3c(c2)OCO3)CC1
[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-(3-bromothiophen-2-yl)methanone