Using O=C(O)Cc1noc2cc(Br)ccc12, CC(C)(C)OC(=O)N1CCNCC1 to produce CC(C)(C)OC(=O)N1CCN(C(=O)Cc2noc3cc(Br)ccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.