Using CCOC(=O)Oc1ccc(OC)c(NS(C)(=O)=O)c1, ClCCN1CCOCC1 to produce CCOC(=O)Oc1ccc(OC)c(N(CCN2CCOCC2)S(C)(=O)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.