The SMILES Cn1c(=O)c2c(-c3ccccc3)n3c4ccccc4ncc3c2n(C)c1=O represents a molecule that shows no positive allosteric modulation of the M1 muscarinic receptor activity.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {m1_muscarinic_agonist#no &NULL}{m1_muscarinic_agonist__names__noun}.