Using CN(Cc1cccc(CO)c1)C(=O)OC(C)(C)C, BrC(Br)(Br)Br to produce CN(Cc1cccc(CBr)c1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.