Using OCCO, O=C(O)CC[C@@H](C(=O)OCc1ccccc1)n1c2ccccc2c2ccccc21 to produce O=C(CC[C@@H](C(=O)OCc1ccccc1)n1c2ccccc2c2ccccc21)OCCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.