Using [N-]=[N+]=[N-], COc1ccc(-c2cc(=Nc3c(C)cc(C)cc3C)n(C)c(Cl)n2)cc1OC to produce COc1ccc(-c2cc(=Nc3c(C)cc(C)cc3C)n(C)c3nnnn23)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.