Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.976\% 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: O=C1c2ccccc2C(Nc2ccc(S(=O)(=O)N3CCCCCC3)cc2)N1c1ccccn1
b: CCn1c(SCc2cccc(Cl)c2)nnc1-c1cnn(-c2ccccc2)c1C(F)(F)F
c: CCN(CC)C(=O)C1CCCN(c2ccc([N+](=O)[O-])cc2/C=N/NC(=O)c2ccc([N+](=O)[O-])cc2)C1
d: CC1=CC(C)(C)n2c(O)c(C3=NC(=S)NC3=O)c3cc(OC(=O)c4cccc5ccccc45)cc1c32
e: Brc1ccc2[nH]ncc2c1
Answer: b. CCn1c(SCc2cccc(Cl)c2)nnc1-c1cnn(-c2ccccc2)c1C(F)(F)F
{#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#}
CCn1c(SCc2cccc(Cl)c2)nnc1-c1cnn(-c2ccccc2)c1C(F)(F)F
CCn1c(SCc2cccc(Cl)c2)nnc1-c1cnn(-c2ccccc2)c1C(F)(F)F
3-[(3-chlorophenyl)methylsulfanyl]-4-ethyl-5-[1-phenyl-5-(trifluoromethyl)pyrazol-4-yl]-1,2,4-triazole