Using CCS(=O)(=O)N1CCC(c2c[nH]c3c(C(N)=O)cc(-c4ccc(OC)c(CN(C)C)c4)cc23)CC1, CC(C)(C)CN to produce CCS(=O)(=O)N1CCC(c2c[nH]c3c(C(N)=O)cc(-c4ccc(OC)c(CNCC(C)(C)C)c4)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.