Using CC(C)(C)OC(=O)N[C@H]1CN(Cc2ccccc2)C[C@@H]1NC(=O)CCCCBr to produce CC(C)(C)OC(=O)N[C@H]1CN(Cc2ccccc2)C[C@@H]1N1CCCCC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.