Task: Answer the multiple-choice question.
Query: Which compound exhibits a 6.641\% 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) Clc1ccc(-c2nnc(SCc3cn4ccsc4n3)n2CC2CCCO2)cc1
(b) COc1ccc(CN2CCN(C(=O)c3cc(OC)c(OC)c(OC)c3)CC2)cc1OC
Answer: b. COc1ccc(CN2CCN(C(=O)c3cc(OC)c(OC)c(OC)c3)CC2)cc1OC
{#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#}
COc1ccc(CN2CCN(C(=O)c3cc(OC)c(OC)c(OC)c3)CC2)cc1OC
COc1ccc(CN2CCN(C(=O)c3cc(OC)c(OC)c(OC)c3)CC2)cc1OC
(3,4,5-trimethoxyphenyl)-[4-[(4,5-dimethoxyphenyl)methyl]piperazin-1-yl]methanone