Using BrCc1cccc(CBr)c1, COC(=O)CNC(=O)OC(C)(C)C to produce COC(=O)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.