The chemical with the SMILES Cc1cc(=O)n2c(ccc3ccccc32)c1C#N is not an inhibitor of the protein kinase A (PKA).
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-548#not &NULL}{MUV-548__names__noun}.
Cc1cc(=O)n2c(ccc3ccccc32)c1C#N
Cc1cc(=O)n2c(ccc3ccccc32)c1C#N
3-methyl-1-oxobenzo[f]quinolizine-4-carbonitrile