Task: Answer the multiple choice question.
Query: Which drug exhibits a -4.934\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCN(CC)C(=O)c1ccc(NC(=O)c2ccc(-c3nn(C)c(=O)c4ccccc34)cc2)cc1
b) CN(CCc1ccccc1)Cc1ccccc1[N+](=O)[O-]
c) CCc1ccc(N2CC(C)Cn3c2nc2c3c(=O)n(CCN3CCOCC3)c(=O)n2C)cc1
d) CC12CCCCN1CCCc1c2[nH]c2ccccc12.Cl
Answer: d. CC12CCCCN1CCCc1c2[nH]c2ccccc12.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#}
CC12CCCCN1CCCc1c2[nH]c2ccccc12.Cl
CC12CCCCN1CCCc1c2[nH]c2ccccc12.Cl
[C][C][C][C][C][C][N][Ring1][=Branch1][C][C][C][C][=C][Ring1][O][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1].[Cl]
2-methyl-7,18-diazatetracyclo[9.7.0.02,7.012,17]octadeca-1(11),12,14,16-tetraene;hydrochloride