Using COC(=O)C(Cc1ccc(OCCN2c3ccccc3Oc3ccccc32)cc1)Oc1ccccc1 to produce O=C(O)C(Cc1ccc(OCCN2c3ccccc3Oc3ccccc32)cc1)Oc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.