Using CC(C)(C)N(N)C(=O)c1ccccc1, O=C(O)C(=O)c1ccccc1 to produce CC(C)(C)N(NC(=O)c1ccccc1)C(=O)C(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.