Using O=[N+]([O-])c1ccc2ncnc(Nc3ccc(OCc4ccccn4)c(Cl)c3)c2c1 to produce Nc1ccc2ncnc(Nc3ccc(OCc4ccccn4)c(Cl)c3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.