Using CCCN(C(=O)CCCCCNC(=O)OCc1ccccc1)c1cc(C#N)ccc1N to produce CCCn1c(CCCCCNC(=O)OCc2ccccc2)nc2ccc(C#N)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.