Using CC(C)NNC(=O)OC(C)(C)C, O=C(O)c1nc2c(s1)CCOc1cc(Br)ccc1-2 to produce CC(C)N(NC(=O)OC(C)(C)C)C(=O)c1nc2c(s1)CCOc1cc(Br)ccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.