Using [N-]=[N+]=[N-], CS(=O)(=O)OCC1Cc2ccccc2C(=O)N1 to produce [N-]=[N+]=NCC1Cc2ccccc2C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.