Using CC(C)c1cccc(NC(=O)c2cccc(N3CCc4c(cncc4C(=O)O)C3)c2)c1, NCCCO to produce CC(C)c1cccc(NC(=O)c2cccc(N3CCc4c(cncc4C(=O)NCCCO)C3)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.