Using CCC[C@H](CC)CI, COC(=O)N1CCC(=O)N(C)[C@@H]1C(C)(C)C to produce CCC[C@H](CC)C[C@@H]1CN(C(=O)OC)[C@@H](C(C)(C)C)N(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.