Using CCCP(=O)(CCC)c1ccc(N)cc1, Clc1nc(I)nc2c1ncn2C1CCCCO1 to produce CCCP(=O)(CCC)c1ccc(Nc2nc(I)nc3c2ncn3C2CCCCO2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.