Using O=C1NC(=O)c2ccccc21, CC(C)(C)OC(=O)N1C[C@@H]2ON=C(CO)[C@@H]2C1 to produce CC(C)(C)OC(=O)N1C[C@@H]2ON=C(CN3C(=O)c4ccccc4C3=O)[C@@H]2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.