Task: Answer the multiple-choice question.
Query: Which compound has a 11.648\% 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) COC(=O)Nc1sccc1C(=O)Nc1sccc1C(=O)OC
(b) CCc1ccccc1NC(=S)N(CCN1CCOCC1)C1CCN(C(C)=O)CC1
Answer: a. COC(=O)Nc1sccc1C(=O)Nc1sccc1C(=O)OC
{#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#}
COC(=O)Nc1sccc1C(=O)Nc1sccc1C(=O)OC
COC(=O)Nc1sccc1C(=O)Nc1sccc1C(=O)OC
methyl 2-[[2-(methoxycarbonylamino)thiophene-3-carbonyl]amino]thiophene-3-carboxylate