Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 10.643\% 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: OCCN1CCOCCN(CCO)CCOCC1
b: CCC(Cc1ccccc1)NC(=O)C1CCN(S(=O)(=O)c2c(C)noc2C)CC1
c: O=C(NCCN1CCOCC1)c1cc(-c2ccc(Cl)cc2Cl)on1
d: Cc1ccc2c(c1)N(CC(=O)N1CCCCC1)C(=O)C(C)O2
Answer: a. OCCN1CCOCCN(CCO)CCOCC1
{#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#}
OCCN1CCOCCN(CCO)CCOCC1
OCCN1CCOCCN(CCO)CCOCC1
2-[10-(2-hydroxyethyl)-1,7-dioxa-4,10-diazacyclododec-4-yl]ethanol