Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.702\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=c1[nH]c2cc3c(cc2cc1CN(CCN1CCOCC1)C(=S)NCC1CCCO1)OCO3
b) CCOC(=O)N1CCN(C(=O)C(=O)Nc2sc3c(c2C#N)CC(C)(C)OC3)CC1
Answer: a. O=c1[nH]c2cc3c(cc2cc1CN(CCN1CCOCC1)C(=S)NCC1CCCO1)OCO3
{#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=c1[nH]c2cc3c(cc2cc1CN(CCN1CCOCC1)C(=S)NCC1CCCO1)OCO3
O=c1[nH]c2cc3c(cc2cc1CN(CCN1CCOCC1)C(=S)NCC1CCCO1)OCO3
1-(2-morpholin-4-ylethyl)-1-[(6-oxo-5H-[1,3]dioxolo[4,5-g]quinolin-7-yl)methyl]-3-(oxolan-2-ylmethyl)thiourea