Using CCOC(=O)C=C(c1ccccc1)n1ccc2cc(OCCOCc3ccccc3)ccc21 to produce CCOC(=O)CC(c1ccccc1)n1ccc2cc(OCCO)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.