Task: Answer the multiple choice question.
Question: Which compound exhibits a 11.909\% 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) COc1ccccc1OCCNC1=NCCC1
(b) CCc1nc2sc3c(c2c(=O)o1)CCCC3
(c) CCN(CC1CCCN(CCc2cccc(F)c2)C1)C(=O)c1ccc(CSC)o1
(d) Cc1ccc(NC(=O)c2nc[nH]c2C(=O)NCc2ccccc2)cc1
Answer: a. COc1ccccc1OCCNC1=NCCC1
{#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#}
COc1ccccc1OCCNC1=NCCC1
COc1ccccc1OCCNC1=NCCC1
N-[2-(2-methoxyphenoxy)ethyl]-3,4-dihydro-2H-pyrrol-5-amine