Task: Answer the multiple-choice question.
Query: Which compound has a 13.420\% 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. COc1ccccc1CNC(=O)/C=C/c1cc2c(cc1Br)OCO2
b. COCc1ccc(-c2c(-c3cccc(OC)c3)sc3ccc(OC)cc23)cc1
c. O=C(NC1CCCC1)C(c1ccccn1)N(C(=O)c1csnn1)c1ccccc1F
d. Cc1cc(C)c(C)c(S(=O)(=O)NCc2ccc(C(=O)N3CCOCC3)cc2)c1C
Answer: a. COc1ccccc1CNC(=O)/C=C/c1cc2c(cc1Br)OCO2
{#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#}
COc1ccccc1CNC(=O)/C=C/c1cc2c(cc1Br)OCO2
COc1ccccc1CNC(=O)/C=C/c1cc2c(cc1Br)OCO2
(E)-3-(6-bromo-1,3-benzodioxol-5-yl)-N-[(2-methoxyphenyl)methyl]prop-2-enamide