Using CN1CCCC1=O, O=C1OC2(CCN(c3nc4cc(I)ccc4[nH]3)CC2)c2ccccc21 to produce N#Cc1ccc2[nH]c(N3CCC4(CC3)OC(=O)c3ccccc34)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.