Task: Answer the MCQ question.
Question: Which compound exhibits a 12.152\% 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: CCN(c1cccc(C)c1)S(=O)(=O)c1ccc2c(c1)NC(=O)CCS2
b: CCCCCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
c: O=C(NCC1CCCCC1)c1cccc([N+](=O)[O-])c1
d: Cn1c(=O)cc(OCCCC(=O)N2CCN(c3ccccc3)CC2)c2ccccc21
e: Cc1ccc(Cl)c(OCCCCN(C)Cc2ccccc2)c1.O=C(O)C(=O)O
Answer: b. CCCCCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
{#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#}
CCCCCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
CCCCCOC(=O)C1=C(C)Nc2nnnn2C1c1ccccc1Cl
pentyl 7-(2-chlorophenyl)-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate