Using O=[N+]([O-])c1ccc2nccc(Sc3ccc(Nc4nnc(-c5ccccc5)c5ccccc45)cc3)c2c1 to produce Nc1ccc2nccc(Sc3ccc(Nc4nnc(-c5ccccc5)c5ccccc45)cc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.