Task: Answer the multiple-choice question.
Question: Which compound has a -3.340\% 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] O=C1CCCN1c1ccc(N2CCCC2=O)cc1
[b] CCN1C(=O)CC(N2CCC(Cc3ccccc3)CC2)C1=O
[c] O=c1[nH]c2ccccc2nc1NCc1ccccc1
[d] O=C(O)C(=O)O.O=C(c1cccc(F)c1)N1CCN(CC2CC3C=CC2C3)CC1
[e] CSc1ncccc1C(=O)Nc1ccc(OC(F)(F)F)cc1
Answer: b. CCN1C(=O)CC(N2CCC(Cc3ccccc3)CC2)C1=O
{#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#}
CCN1C(=O)CC(N2CCC(Cc3ccccc3)CC2)C1=O
CCN1C(=O)CC(N2CCC(Cc3ccccc3)CC2)C1=O
3-(4-benzylpiperidin-1-yl)-1-ethylpyrrolidine-2,5-dione