Task: Answer the multiple-choice question.
Query: Which drug exhibits a -2.135\% 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 additional words.
Options:
a CCOC(=O)NC(=S)Nc1ccc(C(C)(C)C)cc1Br
b CCC(CC)C(=O)NCc1ccc(OC)cc1
c CCOC(=O)N1CCC(NC(=O)CCCN2C(=O)CSc3ncccc32)CC1
d Cn1c(-c2ccc(F)cc2)cnc1SCC(=O)Nc1ccccc1N1CCOCC1
e COCCNC(=O)CSC1=N/C(=C/c2ccc(Cl)c(Cl)c2)C(=O)N1c1ccccc1F
Answer: b. CCC(CC)C(=O)NCc1ccc(OC)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#}
CCC(CC)C(=O)NCc1ccc(OC)cc1
CCC(CC)C(=O)NCc1ccc(OC)cc1
[C][C][C][Branch1][Ring1][C][C][C][=Branch1][C][=O][N][C][C][=C][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][Branch2]
2-ethyl-N-[(4-methoxyphenyl)methyl]butanamide