Using N#Cc1ccc(NN)cc1, COc1ccc(N=C(NC#N)Oc2ccccc2)cc1OC to produce COc1ccc(Nc2nc(N)n(-c3ccc(C#N)cc3)n2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.