Using CC(=O)Oc1cccc(C(=O)Nc2cc(-c3ccccc3)ccc2C(=O)O)c1 to produce O=C(Nc1cc(-c2ccccc2)ccc1C(=O)O)c1cccc(O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.