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