Using COc1ccc(CSc2cc(-c3ccccc3)ccc2N)cc1, CC(C)(C)OC(=O)N[C@@H]1CC[C@@H](C(=O)O)C1 to produce NC1CCC(c2nc3ccc(-c4ccccc4)cc3s2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.