Problem statement: Answer the multiple choice question.
Query: Which drug has a -4.971% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCOc1ccc(CCNC(=O)COC(=O)CNC(=O)c2ccc(Br)o2)cc1OCC
[b] C=CCc1cc(C)ccc1OCCCC(C(=O)OCC)C(=O)OCC
[c] Cc1nn(C)c(C(=O)NCc2ccc(Cl)cc2)c1Cl
[d] NC(=O)Cn1cnc2nc3n(c2c1=O)CCC3
Answer: d. NC(=O)Cn1cnc2nc3n(c2c1=O)CCC3
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
NC(=O)Cn1cnc2nc3n(c2c1=O)CCC3
NC(=O)Cn1cnc2nc3n(c2c1=O)CCC3
2-(1-oxo-7,8-dihydro-6H-purino[7,8-a]pyrrol-2-yl)acetamide