Using [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1, CCCSc1ccc(C(O)C(C)(C)C)cc1 to produce CCCSc1ccc(C(N=[N+]=[N-])C(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.