Task: Answer the multiple choice question.
Question: Which drug exhibits a 2.336\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) COc1ccc(C(=O)OCCc2sc[n+](CC(=O)c3ccccc3)c2C)cc1.[Br-]
b) CCCN1CCN(CCCNC(=O)c2ccc(CS(=O)c3ccccc3C)o2)CC1
c) O=C(COc1ccc2ccccc2c1)NNC(=O)Cc1ccccc1
d) CCCCNC(=O)OC(C)CNC(=O)OC
Answer: d. CCCCNC(=O)OC(C)CNC(=O)OC
{#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#}
CCCCNC(=O)OC(C)CNC(=O)OC
CCCCNC(=O)OC(C)CNC(=O)OC
1-(methoxycarbonylamino)propan-2-yl N-butylcarbamate