Using CI, Cc1cc(Br)cnc1C1=CCC(NC(=O)OC(C)(C)C)CC1 to produce Cc1cc(Br)cnc1C1=CCC(N(C)C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.