Using [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1, Cc1ccc(CCC(CO)COC(=O)C(C)(C)C)cc1C to produce Cc1ccc(CCC(CN=[N+]=[N-])COC(=O)C(C)(C)C)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.