Task: Answer the multiple-choice question.
Question: Which drug has a 14.103\% 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 other words.
Options:
a CCOC(=O)COc1ccc(C(=O)CC)cc1OC
b Cc1cc(C)c(C(=O)COC(=O)c2cccnc2Cl)c(C)c1
c CN(C)CCCn1c(=O)n(CCc2ccccc2)c(=O)c2c3c(sc21)CCCCC3
d O=C(CCC(=O)N/N=C/c1ccc(Br)s1)NCc1ccccc1
Answer: a. CCOC(=O)COc1ccc(C(=O)CC)cc1OC
{#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#}
CCOC(=O)COc1ccc(C(=O)CC)cc1OC
CCOC(=O)COc1ccc(C(=O)CC)cc1OC
ethyl 2-(2-methoxy-4-propanoylphenoxy)acetate