Using COC(=O)N1CCC[C@H](Nc2nnn(C)n2)c2cc(C)cc(C)c21 to produce Cc1cc(C)c2c(c1)[C@@H](Nc1nnn(C)n1)CCCN2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.