Task: Answer the multiple choice question.
Question: Which drug exhibits a 9.565\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1sc2nc(COC(=O)Cc3ccccc3)[nH]c(=O)c2c1C
[b] CCOC(=O)N1CCN(C(=O)Nc2cccc(Cl)c2)CC1
[c] Cc1cc(Cl)cc(C)c1OCCCCn1ccnc1
[d] Cn1nc(C(=O)NCc2ccc(F)cc2)c2ccccc2c1=O
Answer: b. CCOC(=O)N1CCN(C(=O)Nc2cccc(Cl)c2)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#}
ethyl 4-[(3-chlorophenyl)carbamoyl]piperazine-1-carboxylate