Using Cc1ccc(N2CCNCC2)c(C)c1, Cc1cc([N+](=O)[O-])ccc1C(=O)O to produce Cc1ccc(N2CCN(C(=O)c3ccc([N+](=O)[O-])cc3C)CC2)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.