Using O=c1n(CCCC2CCCC2)ccn1-c1ccc([N+](=O)[O-])cc1 to produce Nc1ccc(N2CCN(CCCC3CCCC3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.