The chemical with the SMILES O=C(O)CC1Sc2ccccc2NC1=O is not an allosteric inhibitor of the M1 receptor.
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-859#not &NULL}{MUV-859__names__noun}.
O=C(O)CC1Sc2ccccc2NC1=O
O=C(O)CC1Sc2ccccc2NC1=O
2-(2-hydroxy-2-oxoethyl)-4H-1,4-benzothiazin-3-one