Using CC(C)(C)OC(=O)N1CC[C@@H](CNc2ccnc(Nc3cccc(Cl)c3)n2)C1 to produce CN1CC[C@@H](CNc2ccnc(Nc3cccc(Cl)c3)n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.