The SMILES O=C(NCc1cccc(Cl)c1)c1cccnc1 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}.