Task: Answer the multiple-choice question.
Question: Which drug exhibits a -1.889\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] Cn1c(Cc2ccccc2)nnc1SCc1nc2ccccc2c(=O)[nH]1
[b] CC1C(=O)Nc2ccc(S(=O)(=O)N3CCc4ccccc4C3)cc2NC1=O
[c] COc1cc2c(cc1OC)CN(CC(=O)Nc1ccccc1C#N)CC2
[d] COC(=O)C1Cc2ccccc2CN1S(=O)(=O)c1ccc(C)cc1
Answer: c. COc1cc2c(cc1OC)CN(CC(=O)Nc1ccccc1C#N)CC2
{#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#}
COc1cc2c(cc1OC)CN(CC(=O)Nc1ccccc1C#N)CC2
COc1cc2c(cc1OC)CN(CC(=O)Nc1ccccc1C#N)CC2
N-(2-cyanophenyl)-2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)acetamide