The SMILES O=C1C=CC(Br)=C/C1=c1\[nH]c2n(\c1=N/C1CCCC1)C=CNC=2 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}.