Using CC(C)OC(=O)C1=C2SCC(=CC(=O)Sc3ccccc3)N2CC1, C1CCNCC1 to produce CC(C)OC(=O)C1=C2SCC(=CC(=O)N3CCCCC3)N2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.