Task: Answer the MCQ question.
Question: Which compound exhibits a 13.294\% 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 or b without using any other words.
Options:
a) CCn1c2c(c3cc(OCC(C)C)ccc31)CCCC2=O
b) O=C(CCCN1C(=O)/C(=C/c2ccccc2Cl)SC1=S)NNC(=O)c1cccnc1
Answer: a. CCn1c2c(c3cc(OCC(C)C)ccc31)CCCC2=O
{#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#}
CCn1c2c(c3cc(OCC(C)C)ccc31)CCCC2=O
CCn1c2c(c3cc(OCC(C)C)ccc31)CCCC2=O
[C][C][N][C][=C][Branch2][Ring1][Ring2][C][=C][C][Branch1][Branch2][O][C][C][Branch1][C][C][C][=C][C][=C][Ring1][O][Ring1][=C][C][C][C][C][Ring1][P][=O]
9-ethyl-6-(2-methylpropoxy)-3,4-dihydro-2H-carbazol-1-one