Using CC(C)(C)OC(=O)NC1CCN(CCOS(C)(=O)=O)CC1, O=c1ccc2ccc(Cl)nc2[nH]1 to produce CC(C)(C)OC(=O)NC1CCN(CCn2c(=O)ccc3ccc(Cl)nc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.