Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.273\% 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, or d without using any additional words.
Options:
a CSc1nnc(SCC(=O)Nc2ccc3[nH]c(=O)[nH]c3c2)s1
b CCOC(=O)C1(CCc2ccccc2)CCN(Cc2ccc3c(c2)OCCO3)CC1
c CC(OC(=O)C1CCCO1)C(=O)NC1CCCC1
d Cc1cccc(NS(=O)(=O)c2cc3c4c(c2)CCN4C(=O)CC3)c1C
Answer: c. CC(OC(=O)C1CCCO1)C(=O)NC1CCCC1
{#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#}
CC(OC(=O)C1CCCO1)C(=O)NC1CCCC1
CC(OC(=O)C1CCCO1)C(=O)NC1CCCC1
[1-(cyclopentylamino)-1-oxopropan-2-yl] oxolane-2-carboxylate