Using COc1ccc2c(c1)CCN(C(=O)Cc1ccc([N+](=O)[O-])cc1)C2C to produce COc1ccc2c(c1)CCN(CCc1ccc([N+](=O)[O-])cc1)C2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.