Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -20.899\% 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: Cn1c(CN2CCCCC2)nc2cc(NC(=O)c3ccc(Cl)cc3)ccc21
b: CCN(CC(=O)NCc1ccc(F)cc1)C(=O)c1cc2ccccc2o1
c: O=C(C1CCCN1S(=O)(=O)c1ccc(Cl)c(Cl)c1)N1CCOCC1
d: CC(C)(C)NC(=O)C(c1ccco1)N(Cc1ccc(F)cc1)C(=O)c1snc(C(N)=O)c1N
e: COc1ccc(CN(C)C(=O)c2[nH]c(C)c(C(C)=O)c2C)c(OC)c1OC
Answer: b. CCN(CC(=O)NCc1ccc(F)cc1)C(=O)c1cc2ccccc2o1
{#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#}
CCN(CC(=O)NCc1ccc(F)cc1)C(=O)c1cc2ccccc2o1
CCN(CC(=O)NCc1ccc(F)cc1)C(=O)c1cc2ccccc2o1
N-ethyl-N-[2-[(4-fluorophenyl)methylamino]-2-oxoethyl]-1-benzofuran-2-carboxamide