Using O=C1CCc2c(Cl)cccc2N1CCCN1CCN(c2cccc([N+](=O)[O-])c2)CC1 to produce Nc1cccc(N2CCN(CCCN3C(=O)CCc4c(Cl)cccc43)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.