Using COC(OC)OC, C=C(C)C12CC=C(C)C(C1)C(=O)CC2C to produce C=C(C)C12CC=C(C)C(C1)C(OC)(OC)CC2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.