Using CCOC(OCC)OCC, CC1(C)CC(=O)C(c2c[nH]c3ccccc23)C(=O)C1 to produce CC1(C)CC(=O)c2c([o+]cc3[nH]c4ccccc4c23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.