Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 4.478\% human ether-à-go-go related gene (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 additional words.
Options:
a: CCc1ccc(C2N3CC4([N+](=O)[O-])CN2CC([N+](=O)[O-])(C3)C4(C)C)cc1
b: CCNCc1cc(Cl)cc(OC)c1OC(C)C.Cl
c: CCN(CCn1cccn1)C(=O)CCc1nnc(CCCc2ccccc2)o1
d: Cc1cc(/C=N/Nc2nc(N3CCOCC3)nc(N3CCOCC3)n2)c(C)n1-c1ccccc1
e: CC1Oc2ccccc2N(CC(=O)N2CCCCC2)C1=O
Answer: b. CCNCc1cc(Cl)cc(OC)c1OC(C)C.Cl
{#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#}
CCNCc1cc(Cl)cc(OC)c1OC(C)C.Cl
CCNCc1cc(Cl)cc(OC)c1OC(C)C.Cl
N-[(5-chloro-3-methoxy-2-propan-2-yloxyphenyl)methyl]ethanamine;hydrochloride