Using CC(C)(C)OC(=O)N1C2CCC(C2)C1C(=O)NCC(=O)c1ccc(Br)cc1, [NH4+] to produce CC(C)(C)OC(=O)N1C2CCC(C2)C1c1ncc(-c2ccc(Br)cc2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.