Using CC1(C)Cc2ccc(Br)cc2C1, CC(C)(C)OC(=O)N=NC(=O)OC(C)(C)C to produce CC1(C)C=c2ccc(N(NC(=O)OC(C)(C)C)C(=O)OC(C)(C)C)cc2=C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.