Using CCOc1cc(C(CS(C)(=O)=O)N2Cc3cccc(N)c3C2=O)ccc1OC, O=CC1CC1 to produce CCOc1cc([C@@H](CS(C)(=O)=O)N2Cc3cccc(NCC4CC4)c3C2=O)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.