Using CC(C)(C)OC(=O)N1CCC(Oc2ccc(NCC=Cc3cccc(C#N)c3)cc2[N+](=O)[O-])CC1, COC(=O)CBr to produce COC(=O)CN(CC=Cc1cccc(C#N)c1)c1ccc(OC2CCN(C(=O)OC(C)(C)C)CC2)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.