Using O=C(O)[C@H]1COCC(=O)N1Cc1ccccc1, NCc1ccccc1 to produce O=C(NCc1ccccc1)[C@H]1COCC(=O)N1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.