Task: Answer the MCQ question.
Question: Which drug exhibits a 12.888\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCCCCn1c(N2CCC(Cc3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
[b] CCCCCOC(=O)NCCOC(=O)Nc1ccc(C(=O)OCC)cc1
Answer: b. CCCCCOC(=O)NCCOC(=O)Nc1ccc(C(=O)OCC)cc1
{#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#}
CCCCCOC(=O)NCCOC(=O)Nc1ccc(C(=O)OCC)cc1
CCCCCOC(=O)NCCOC(=O)Nc1ccc(C(=O)OCC)cc1
[C][C][C][C][C][O][C][=Branch1][C][=O][N][C][C][O][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][C][C][C][=C][Ring1][O]
ethyl 4-[2-(pentoxycarbonylamino)ethoxycarbonylamino]benzoate