Using CC(=O)C(Cc1cc(-c2ccccc2)nnc1Br)C(=O)OC(C)(C)C to produce C=C(Cc1cc(-c2ccccc2)nnc1Br)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.