Using N#Cc1ccc2c(c1)OCCC2C=O, Cc1c(CCN2CCNCC2)ccc2c1COC2=O to produce Cc1c(CCN2CCN(CC3CCOc4cc(C#N)ccc43)CC2)ccc2c1COC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.