Using O=C([O-])[O-], O=C(CCc1ccc([N+](=O)[O-])cc1O)N1CCCC1 to produce COc1cc([N+](=O)[O-])ccc1CCC(=O)N1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.