The molecule with the SMILES CS(=O)(=O)Nn1cnc2ccccc2c1=O 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}.
CS(=O)(=O)Nn1cnc2ccccc2c1=O
CS(=O)(=O)Nn1cnc2ccccc2c1=O
N-(4-oxoquinazolin-3-yl)methanesulfonamide