Using CCOC(=O)CN(Cc1ccccc1)C(=O)[C@@H]1CCC(=O)N1 to produce O=C(O)CN(Cc1ccccc1)C(=O)[C@@H]1CCC(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.