Using CC(C)(C)OC(=O)N1CCC(C(=O)NCC(=O)c2ccc(Br)cc2)C1, [NH4+] to produce CC(C)(C)OC(=O)N1CCC(c2ncc(-c3ccc(Br)cc3)[nH]2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.