Using CCOC(=O)C(Cc1ccc(O)cc1)OCC, OCCC=C1c2ccccc2COc2ccccc21 to produce CCOC(=O)C(Cc1ccc(OCCC=C2c3ccccc3COc3ccccc32)cc1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.