Task: Answer the multiple-choice question.
Query: Which drug has a 2.618\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1ccccc1CN1[C@@H](CC(=O)O)c2cc(F)ccc2S1(=O)=O
b: C1CCC(n2nnnc2CN2CCN(C3CCCC3)CC2)CC1
c: COc1ccc2ccccc2c1CNCCCN1CCOCC1.Cl
d: CCN(C(=O)COC(=O)CNC(=O)c1ccc(C)c(C)c1)C1CCS(=O)(=O)C1
e: Cc1cc(N(C)Cc2ccccc2)nc(-c2ccccc2)n1
Answer: b. C1CCC(n2nnnc2CN2CCN(C3CCCC3)CC2)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#}
C1CCC(n2nnnc2CN2CCN(C3CCCC3)CC2)CC1
C1CCC(n2nnnc2CN2CCN(C3CCCC3)CC2)CC1
1-cyclopentyl-4-[(1-cyclohexyltetrazol-5-yl)methyl]piperazine