Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 21.673\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) C/C(=N\Nc1ccc(C)c(Cl)c1)c1ccncc1
b) C/C(Cl)=C\C[N+](C)(C)CC(=O)OCCc1ccccc1.[Br-]
c) CCOC(=O)Cn1nnc(-c2cc(OC)c(OC)c(OC)c2)n1
d) O=C(Cc1ccc(Cl)cc1)NCc1nc(-c2ccccc2)no1
e) Cc1cccc(N(CC(=O)NC2CCCC2)C(=O)CS(=O)CC(=O)Nc2ccc3c(c2)OCO3)c1C
Answer: a. C/C(=N\Nc1ccc(C)c(Cl)c1)c1ccncc1
{#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#}
C/C(=N\Nc1ccc(C)c(Cl)c1)c1ccncc1
C/C(=N\Nc1ccc(C)c(Cl)c1)c1ccncc1
3-chloro-4-methyl-N-[(E)-1-pyridin-4-ylethylideneamino]aniline