Using NC(=O)[C@@H]1C[C@@H]2C[C@@H]2N1, CC(C)(C)OC(=O)N[C@H](C(=O)O)C12CC3CC(CC(O)(C3)C1)C2 to produce CC(C)(C)OC(=O)N[C@H](C(=O)N1[C@H](C(N)=O)C[C@@H]2C[C@@H]21)C12CC3CC(CC(O)(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.