Using CCOC(=O)c1ccccc1NC(=O)c1ccccc1NC(=O)c1ccccc1 to produce O=C(Nc1ccccc1C(=O)Nc1ccccc1C(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.