Using COc1cc(N2CCNCC2)c2ncccc2c1, COc1cccc2c(CC(C)=O)coc12 to produce COc1cc(N2CCN(C(C)Cc3coc4c(OC)cccc34)CC2)c2ncccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.