Using CCCCN=C=O, COC(=O)c1cccc(S(=O)(=O)N(C)C)c1CS(N)(=O)=O to produce CCCCNC(=O)NS(=O)(=O)Cc1c(C(=O)OC)cccc1S(=O)(=O)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.