Using CC(C)(C)OC(=O)N(C(=O)OC(C)(C)C)c1ccc(CBr)cn1, CCOP(OCC)OCC to produce CCOP(=O)(Cc1ccc(N)nc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.