Using COc1ccc(-c2ccc(C=O)cc2)cc1, NCCCNc1nsc2ccccc12 to produce COc1ccc(-c2ccc(CNCCCNc3nsc4ccccc34)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.