Using CC(C)=C(Cl)N(C)C, CC(C)(C)OC(=O)N1CC(C(=O)O)c2ccccc21 to produce CNC(=O)C1CN(C(=O)OC(C)(C)C)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.