Task: Answer the MCQ question.
Question: Which compound has a 18.870\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a Cc1onc(-c2ccccc2)c1C(=O)N1CCN(S(=O)(=O)c2ccc(Cl)cc2)CC1
b CCCCCCCNC(=O)C1(CC2CC(c3ccc(Cl)cc3)=NO2)CCN(C(=O)OC(C)(C)C)CC1
c O=C(NCCCc1nc2ccccc2[nH]1)c1ccco1
d O=C(Nc1cc([N+](=O)[O-])ccc1C(=O)NCCN1CCOCC1)c1ccccc1
e O=C(c1cn(Cc2ccccc2)nc1-c1ccccc1)N1CCN(c2ccccn2)CC1
Answer: b. CCCCCCCNC(=O)C1(CC2CC(c3ccc(Cl)cc3)=NO2)CCN(C(=O)OC(C)(C)C)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#}
CCCCCCCNC(=O)C1(CC2CC(c3ccc(Cl)cc3)=NO2)CCN(C(=O)OC(C)(C)C)CC1
CCCCCCCNC(=O)C1(CC2CC(c3ccc(Cl)cc3)=NO2)CCN(C(=O)OC(C)(C)C)CC1
tert-butyl 4-[[3-(4-chlorophenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]-4-(heptylcarbamoyl)piperidine-1-carboxylate