Using CCOC(CC(c1ccccc1)C(O)(c1ccccc1)c1ccc(OCCN2CCOCC2)cc1)OCC to produce OC1CC(c2ccccc2)C(c2ccccc2)(c2ccc(OCCN3CCOCC3)cc2)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.