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