Using O=Cc1ccc2c(n1)NCCC2, COc1ccc2nccc([C@@H](O)CN3CCC(N)CC3)c2n1 to produce COc1ccc2nccc([C@@H](O)CN3CCC(NCc4ccc5c(n4)NCCC5)CC3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.