Task: Answer the MCQ question.
Query: Which compound has a -48.682\% 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.) N#Cc1nc(COc2ccccc2)oc1N1CCCC1
b.) COc1cc2c(cc1NC(=O)CSc1ccc(C)cc1)oc1ccccc12
c.) O=C(CSc1nnc(COc2ccccc2)n1Cc1ccco1)Nc1ccc2c(c1)OCCO2
d.) CCOc1ccc(N2C(=O)CC(NCCNc3ccc(C(=O)c4cccs4)cc3)C2=O)cc1
Answer: d. CCOc1ccc(N2C(=O)CC(NCCNc3ccc(C(=O)c4cccs4)cc3)C2=O)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#}
1-(4-ethoxyphenyl)-3-[2-[4-(thiophene-2-carbonyl)anilino]ethylamino]pyrrolidine-2,5-dione