Using CCOC(=O)C(Cc1ccc(O)cc1)OCC, OCC=C1c2ccccc2-c2ccccc21 to produce CCOC(=O)C(Cc1ccc(OCC=C2c3ccccc3-c3ccccc32)cc1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.