Using CCOC(=O)C1=C(c2ccccc2)c2ccccc2C1c1ccc2c(c1)OCO2 to produce CCOC(=O)C1C(c2ccccc2)c2ccccc2C1c1ccc2c(c1)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.