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