Using CCCOC(=O)C(CC(=O)N1C[C@H]2CC=CC[C@H]2C1)Cc1ccccc1 to produce O=C(O)C(CC(=O)N1C[C@H]2CC=CC[C@H]2C1)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.