Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 6.768\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CC1CCN(C(=O)CSc2nc(C(C)C)nc3c2c(=O)n(C)c(=O)n3C)CC1
b COC(=O)C1=C(C)NC2=C(C(=O)CC(C)(C)C2)C1c1cn(Cc2ccc(Br)cc2)nc1-c1ccccc1
c COCCN1C2=C(COC(C)(C)C2)C(=S)NC1c1ccccc1
d COc1ccc(Cl)cc1C(=O)N1CCN(Cc2ccc3c(c2)OCO3)CC1
e CC(C)C(c1nnnn1Cc1cccs1)N1CCN(C2CCCC2)CC1
Answer: a. CC1CCN(C(=O)CSc2nc(C(C)C)nc3c2c(=O)n(C)c(=O)n3C)CC1
{#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#}
CC1CCN(C(=O)CSc2nc(C(C)C)nc3c2c(=O)n(C)c(=O)n3C)CC1
CC1CCN(C(=O)CSc2nc(C(C)C)nc3c2c(=O)n(C)c(=O)n3C)CC1
1,3-dimethyl-5-[2-(4-methylpiperidin-1-yl)-2-oxoethyl]sulfanyl-7-propan-2-ylpyrimido[4,5-d]pyrimidine-2,4-dione