Using CC(=O)c1cc(C)ccc1Nc1cc2c3c(c1)[C@@H]1CNCC[C@@H]1N3CCOC2 to produce Cc1ccc(Nc2cc3c4c(c2)[C@@H]2CNCC[C@@H]2N4CCOC3)c(C(C)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.