Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 18.353\% 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 O=C(NCCN1CCOCC1)C1CCC(=O)N1C1CCCCC1
b O=C1c2ccccc2C(=O)N1OCc1ccc(Cl)cc1
c CN(C)c1ccc(/C=N/NC(=O)C2CC2c2ccccc2)cc1
d CN(C)c1nc2n(c(=O)n1)CCO2
Answer: d. CN(C)c1nc2n(c(=O)n1)CCO2
{#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#}
CN(C)c1nc2n(c(=O)n1)CCO2
CN(C)c1nc2n(c(=O)n1)CCO2
2-(dimethylamino)-6,7-dihydro-[1,3]oxazolo[3,2-a][1,3,5]triazin-4-one