Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 5.672\% 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: COCCn1cnc2cc(C)c(C)cc21
b: Cc1cccc(C(=O)NCC(=O)N2CCN(S(=O)(=O)/C=C/c3ccccc3)CC2)c1
Answer: a. COCCn1cnc2cc(C)c(C)cc21
{#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#}
COCCn1cnc2cc(C)c(C)cc21
COCCn1cnc2cc(C)c(C)cc21
1-(2-methoxyethyl)-5,6-dimethylbenzimidazole