Task: Answer the multiple choice question.
Question: Which compound has a 18.029\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) COc1cccc(NC(=O)COC(=O)CCn2c(C)csc2=O)c1
b.) CCN1C(=O)CC(N2CCN(c3ccc(C(=O)c4ccncc4)cc3)CC2)C1=O
c.) CC12CS(=O)(=O)CC1SC(=S)N2Cc1ccccc1
Answer: b. CCN1C(=O)CC(N2CCN(c3ccc(C(=O)c4ccncc4)cc3)CC2)C1=O
{#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#}
CCN1C(=O)CC(N2CCN(c3ccc(C(=O)c4ccncc4)cc3)CC2)C1=O
CCN1C(=O)CC(N2CCN(c3ccc(C(=O)c4ccncc4)cc3)CC2)C1=O
1-ethyl-3-[4-[4-(pyridine-4-carbonyl)phenyl]piperazin-1-yl]pyrrolidine-2,5-dione