Problem statement: Answer the multiple choice question.
Query: Which drug has a 4.199\% 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 CCCCn1c(=O)c(CCC(=O)O)nc2ccccc21
b CSc1nc2ccccn2c(=O)c1C#N
c CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]
d Cc1sc2ncn(CC(=O)NCCCC(=O)N3CCC(C(N)=O)CC3)c(=O)c2c1C
Answer: c. CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]
{#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#}
CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]
CC(=O)CC(C)(C)n1c[n+](C)nn1.[O-][Cl+3]([O-])([O-])[O-]
4-methyl-4-(4-methyltetrazol-4-ium-1-yl)pentan-2-one;perchlorate