Using COc1c(C#N)ccc2c1CCOC2CN1CCNCC1, Cc1c(CC=O)ccc2c1COC2=O to produce COc1c(C#N)ccc2c1CCOC2CN1CCN(CCc2ccc3c(c2C)COC3=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.