Using CC(C)(C)OC(=O)NCc1ccc2c(ncn2C2CCCCO2)c1Cl, CI to produce CN(Cc1ccc2c(ncn2C2CCCCO2)c1Cl)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.