Task: Answer the MCQ question.
Query: Which compound has a -4.764\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=S(=O)(NC1CCCC1)c1ccc(S(=O)(=O)N(Cc2cccs2)CC2CCCO2)cc1
b) CCOC(=O)N1CCC(NC(=O)c2cnn3cccnc23)CC1
c) S=C(NCC1COc2ccccc2O1)Nc1ccc(Br)cc1
d) CCC(C)OC(=O)C1C(c2ccccc2)C(C(=O)O)C1c1ccccc1
Answer: b. CCOC(=O)N1CCC(NC(=O)c2cnn3cccnc23)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#}
CCOC(=O)N1CCC(NC(=O)c2cnn3cccnc23)CC1
CCOC(=O)N1CCC(NC(=O)c2cnn3cccnc23)CC1
ethyl 4-(pyrazolo[1,5-a]pyrimidine-3-carbonylamino)piperidine-1-carboxylate