Using [N-]=[N+]=NC[C@@H]1Cc2ccccc2CN1C(=O)OCc1ccccc1 to produce NC[C@@H]1Cc2ccccc2CN1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.