Using CCn1nc(Br)c2c(N3CC4CCC(C3)O4)nc(-c3ccc([N+](=O)[O-])cc3)nc21, C1CCNC1 to produce CCn1nc(N2CCCC2)c2c(N3CC4CCC(C3)O4)nc(-c3ccc([N+](=O)[O-])cc3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.