Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.297\% 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] CCOC(=O)c1cccc(C2=CC(=O)C[C@H](c3ccc(OC)c(OC)c3)C2)c1
[b] CC1(C)CC(=O)C2=C(C1)Nc1ccccc1NC2c1cc(Cl)ccc1O
Answer: b. CC1(C)CC(=O)C2=C(C1)Nc1ccccc1NC2c1cc(Cl)ccc1O
{#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#}
CC1(C)CC(=O)C2=C(C1)Nc1ccccc1NC2c1cc(Cl)ccc1O
CC1(C)CC(=O)C2=C(C1)Nc1ccccc1NC2c1cc(Cl)ccc1O
6-(5-chloro-2-hydroxyphenyl)-9,9-dimethyl-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one