Task: Answer the MCQ question.
Question: Which compound exhibits a 5.647\% human ether-à-go-go related gene (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] CCCC(CCC)C(=O)Nc1ccc2c(c1)N(C(=O)CCN1CCN(C)CC1)c1ccccc1CC2.Cl
[b] Cc1ccc2c(CSc3nncs3)cc(=O)oc2c1
[c] CN1C2CCC1CC(OC(=O)c1c[nH]c3ccccc13)C2
[d] COc1cccc(N2CCN(c3ncnc4c3[nH]c3ccc(F)cc34)CC2C)c1
[e] COC(=O)CCC(=O)Nc1ccc(Br)cc1
Answer: a. CCCC(CCC)C(=O)Nc1ccc2c(c1)N(C(=O)CCN1CCN(C)CC1)c1ccccc1CC2.Cl
{#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#}
CCCC(CCC)C(=O)Nc1ccc2c(c1)N(C(=O)CCN1CCN(C)CC1)c1ccccc1CC2.Cl
CCCC(CCC)C(=O)Nc1ccc2c(c1)N(C(=O)CCN1CCN(C)CC1)c1ccccc1CC2.Cl
N-[11-[3-(4-methylpiperazin-1-yl)propanoyl]-5,6-dihydrobenzo[b][1]benzazepin-2-yl]-2-propylpentanamide;hydrochloride