Using CCOP(=O)(OCC)C1CCC(CBr)O1, Nc1nc(Cl)c2[nH]cnc2n1 to produce CCOP(=O)(OCC)C1CCC(Cn2cnc3nc(N)nc(Cl)c32)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.