Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.771\% 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) COc1cc(C(=O)N2CCN(c3cccc(C)c3C)CC2)cc(OC)c1OC
b) CCOc1ccccc1C(=O)N1CCCCC1C
Answer: a. COc1cc(C(=O)N2CCN(c3cccc(C)c3C)CC2)cc(OC)c1OC
{#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#}
[4-(2,3-dimethylphenyl)piperazin-1-yl]-(3,4,5-trimethoxyphenyl)methanone