Task: Answer the MCQ question.
Query: Which compound has a 1.530\% 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) CCCCN(C)Cc1c(C)[nH]c2ccc(Cl)cc2c1=O
(b) COc1cccc(/C=N/NC(=S)NCCc2ccccc2)c1OC
(c) O=C1CCC(=O)N1OCCCCOc1ccccc1
(d) O=C(Nc1sc2c(c1C(=O)NCc1cccnc1)CCCC2)c1ccco1
Answer: c. O=C1CCC(=O)N1OCCCCOc1ccccc1
{#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#}
O=C1CCC(=O)N1OCCCCOc1ccccc1
O=C1CCC(=O)N1OCCCCOc1ccccc1
1-(4-phenoxybutoxy)pyrrolidine-2,5-dione