Using C1CCNC1, CC(C)(C)OC(=O)N1CCO[C@@H](c2ccc(OCCCBr)cc2)C1 to produce CC(C)(C)OC(=O)N1CCO[C@@H](c2ccc(OCCCN3CCCC3)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.