Using CC(=O)SCC(Cc1ccc(N(C)C)cc1)C(=O)Nc1cc(C)cc(C(=O)O)c1 to produce Cc1cc(NC(=O)C(CS)Cc2ccc(N(C)C)cc2)cc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.