Using CC(C)(C)OC(=O)N1CCC(N)CC1, O=C1CSc2ccc(C(=O)O)cc2N1 to produce CC(C)(C)OC(=O)N1CCC(NC(=O)c2ccc3c(c2)NC(=O)CS3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.