Using CCOC(=O)C[C@H]1CC[C@H](C(CNC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)CC1 to produce CC(C)(C)OC(=O)NCC(NC(=O)OC(C)(C)C)[C@H]1CC[C@H](CC(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.