Using CC(C)OC(=O)N1CCC(O)CC1, Cc1nc(Cl)cc(Cl)n1 to produce Cc1nc(Cl)cc(OC2CCN(C(=O)OC(C)C)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.