Using COC(=O)c1ccc(NCc2cc3ccccc3o2)cc1C(=O)OC to produce O=C(O)c1ccc(NCc2cc3ccccc3o2)cc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.