Using COCCOCCO, Cc1nc2c3c(ccn2c1C)[C@@H](O)[C@H](O)[C@@H](c1ccccc1)N3 to produce COCCOCCO[C@@H]1c2ccn3c(C)c(C)nc3c2N[C@H](c2ccccc2)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.