Task: Answer the multiple choice question.
Query: Which compound exhibits a -11.863\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(c1nc2ccccn2c1CNCCCn1ncc2ccccc21)N1CCCC1
b CCSc1nc(C)c(CCOc2cccc(C)c2)c(=O)[nH]1
Answer: a. O=C(c1nc2ccccn2c1CNCCCn1ncc2ccccc21)N1CCCC1
{#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(c1nc2ccccn2c1CNCCCn1ncc2ccccc21)N1CCCC1
O=C(c1nc2ccccn2c1CNCCCn1ncc2ccccc21)N1CCCC1
[3-[(3-indazol-1-ylpropylamino)methyl]imidazo[1,2-a]pyridin-2-yl]-pyrrolidin-1-ylmethanone