Task: Answer the MCQ question.
Question: Which compound exhibits a 9.173\% 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] COC(=O)CCCCC1SCC(NC(=O)c2ccccc2)C1Cl
[b] C=C(C)C(=O)Nc1cccc(C2=NOC3(C2)C[C@H](C(N)=O)N(C(=O)c2ccccc2C(=O)c2ccccc2)C3)c1
[c] CN(C(=O)COC(=O)Cc1c(Cl)cccc1Cl)C1CCS(=O)(=O)C1
[d] O=C1CN(C(=O)COC(=O)C2CCN(S(=O)(=O)c3ccccc3C(F)(F)F)CC2)c2ccccc2N1
[e] O=C(O)CC(CNC(=O)C1CCCN1C(=O)OCc1ccccc1)c1ccccc1
Answer: a. COC(=O)CCCCC1SCC(NC(=O)c2ccccc2)C1Cl
{#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#}
COC(=O)CCCCC1SCC(NC(=O)c2ccccc2)C1Cl
COC(=O)CCCCC1SCC(NC(=O)c2ccccc2)C1Cl
methyl 5-(4-benzamido-3-chlorothiolan-2-yl)pentanoate