Using OC(CC1OCCO1)C1(O)CNC1, O=C(O)c1ccc(F)c(F)c1Nc1ccc(I)cc1F to produce O=C(c1ccc(F)c(F)c1Nc1ccc(I)cc1F)N1CC(O)(C(O)CC2OCCO2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.