Using COC(=O)COc1ccc(C(=O)N2CCC3(CC2)Oc2ccccc2-n2cccc23)cc1OC to produce COc1cc(C(=O)N2CCC3(CC2)Oc2ccccc2-n2cccc23)ccc1OCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.