Using CN1CCNCC1, NC(=O)Nc1sc(-c2ccccc2C=O)cc1C(N)=O to produce CN1CCN(Cc2ccccc2-c2cc(C(N)=O)c(NC(N)=O)s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.