Using [N-]=[N+]=[N-], Nc1ccc(C(=O)OCCOC(=O)CC[C@@H](C(=O)O)n2c3ccccc3c3ccccc32)cc1 to produce [N-]=[N+]=Nc1ccc(C(=O)OCCOC(=O)CC[C@@H](C(=O)O)n2c3ccccc3c3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.