Using N[C@H]1C[C@@H](n2cnc3c(NCC(c4ccccc4)c4ccccc4)nc(Cl)nc32)[C@H](O)[C@@H]1O, O=C(Cl)C1CCC1 to produce O=C(N[C@H]1C[C@@H](n2cnc3c(NCC(c4ccccc4)c4ccccc4)nc(Cl)nc32)[C@H](O)[C@@H]1O)C1CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.