Using NC(=O)C1CCNCC1, COc1cc([N+](=O)[O-])ccc1OCCBr to produce COc1cc([N+](=O)[O-])ccc1OCCN1CCC(C(N)=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.