Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -1.571\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. COc1cccc(/C=C(\C#N)c2nc3ccccc3[nH]2)c1OCC(=O)O
b. CCN1CCN(CCCNC(=O)c2cc3cc4ccc(OC)cc4nc3o2)CC1
c. CN(CCCCCCCCCCN(C)C(=O)Oc1cccc([N+](C)(C)C)c1)C(=O)Oc1cccc([N+](C)(C)C)c1.[Br-]
d. CC1(C)Cc2cccc(OCC(=O)NCCOc3ccccc3)c2O1
e. O=C(Oc1ccc(F)c(F)c1)c1ccc2c(=O)n3c(nc2c1)CCC3
Answer: b. CCN1CCN(CCCNC(=O)c2cc3cc4ccc(OC)cc4nc3o2)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#}
CCN1CCN(CCCNC(=O)c2cc3cc4ccc(OC)cc4nc3o2)CC1
CCN1CCN(CCCNC(=O)c2cc3cc4ccc(OC)cc4nc3o2)CC1
N-[3-(4-ethylpiperazin-1-yl)propyl]-7-methoxyfuro[2,3-b]quinoline-2-carboxamide