Using [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1, CC(C)(C)OC(=O)N1CC(C(=O)O)C(C2CC2)C1 to produce CC(C)(C)OC(=O)N1CC(N)C(C2CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.