Using NCCc1ccccc1, O=C(O)[C@@H]1CCC(=O)N1C(=O)OCc1ccccc1 to produce O=C(NCCc1ccccc1)[C@@H]1CCC(=O)N1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.