Using COC(=O)C(CC(C)=O)C(C=O)CC1OC(C)(C)N(C(=O)OC(C)(C)C)C1Cc1ccccc1 to produce COC(=O)C1CC(=O)C=CC1CC1OC(C)(C)N(C(=O)OC(C)(C)C)C1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.