Using CCS, CC(C)(C)C(=O)OCN(c1ccc(CN2CCN(Cc3ccccc3)C(=O)C2=O)cc1)c1ncccn1 to produce CCSCN(c1ccc(CN2CCN(Cc3ccccc3)C(=O)C2=O)cc1)c1ncccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.