Using CCOC(=O)[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@H]1c1cc(=O)n(C)cc1OCOC to produce COCOc1cn(C)c(=O)cc1[C@@H]1CCN(C(=O)OC(C)(C)C)C[C@H]1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.