Using N#Cc1cccc(-c2cn(CO)c3ncnc(N4CCOCC4)c23)n1 to produce N#Cc1cccc(-c2c[nH]c3ncnc(N4CCOCC4)c23)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.