Using NC(=O)[C@@H]1[C@H](Nc2c(Cl)cnc(N)c2N)[C@H]2CC[C@@H]1O2, O=Cc1ccc(N2CCOCC2)cc1 to produce NC(=O)[C@@H]1[C@H](Nc2c(Cl)cnc3[nH]c(-c4ccc(N5CCOCC5)cc4)nc23)[C@H]2CC[C@@H]1O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.