Using Cc1cccc(C=CC(=O)c2c(O)cc(C)oc2=O)c1, COCCO to produce COCCOc1cc(C)oc(=O)c1C(=O)C=Cc1cccc(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.