Using C1COCCN1, CCCCCCc1ccc(C(=O)O)cc1[N+](=O)[O-] to produce CCCCCCc1ccc(C(=O)N2CCOCC2)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.