Using N#Cc1ccc2c(c1)CC(CN1CCNCC1=O)C2, O=CCc1ccc2c(c1)COC2=O to produce N#Cc1ccc2c(c1)CC(CN1CCN(CCc3ccc4c(c3)COC4=O)CC1=O)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.