The SMILES O=C1c2ccccc2C(=O)N1n1c(=O)[nH]c2ccccc2c1=O is not modulating the M1 muscarinic receptor activity in a positive allosteric way.
The {#molecule |!}{SMILES__description} {SMILES#} is {m1_muscarinic_agonist#not &NULL}{m1_muscarinic_agonist__names__gerund}.