Using CCOC(=O)Cc1nnn(C[C@@H]2OC(=O)N(c3ccc(Cl)cc3)[C@H]2c2cccc(OC)c2)n1 to produce COc1cccc([C@H]2[C@H](Cn3nnc(CCO)n3)OC(=O)N2c2ccc(Cl)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.