Using N#Cc1c(N)ccc(-c2cc(Cl)cc(Cl)c2)c1Cl, N=C(N)Cl to produce Nc1nc(N)c2c(Cl)c(-c3cc(Cl)cc(Cl)c3)ccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.