Using CCOC(=O)/C=C(\CCc1ccc2cc(OCOC)ccc2c1)c1ccc2ccccc2c1 to produce CCOC(=O)/C=C(\CCc1ccc2cc(O)ccc2c1)c1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.