Using N#Cc1cccc(-c2ccc3c(Cl)cnc(Cl)c3c2)c1, N=C(N)N to produce N#Cc1cccc(-c2ccc3c(Cl)cnc(NC(=N)N)c3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.