Task: Answer the multiple choice question.
Question: Which compound exhibits a 3.750\% 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) COc1ccccc1CN1CCNC(=O)C1CC(=O)NCc1c(C)n[nH]c1C
(b) COc1ccc(CCNC(=O)Cc2cccs2)cc1
(c) Cc1ccc(NC(=O)CN(C)C(=O)CNC(=O)c2cccs2)cc1
(d) O=C(CCN1C(=O)C2CC=CCC2C1=O)Nc1nccs1
Answer: d. O=C(CCN1C(=O)C2CC=CCC2C1=O)Nc1nccs1
{#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#}
O=C(CCN1C(=O)C2CC=CCC2C1=O)Nc1nccs1
O=C(CCN1C(=O)C2CC=CCC2C1=O)Nc1nccs1
3-(1,3-dioxo-3a,4,7,7a-tetrahydroisoindol-2-yl)-N-(1,3-thiazol-2-yl)propanamide