Using CC(C)(C)OC(=O)CN1C(=O)c2ccc(NS(C)(=O)=O)cc2C1=O, ClCCN1CCOCC1 to produce CC(C)(C)OC(=O)CN1C(=O)c2ccc(N(CCN3CCOCC3)S(C)(=O)=O)cc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.