Using CC(C)(C)C(=O)Cl, Cc1ccc(SCc2cc3c(cc2Cl)OCO3)c(N)c1 to produce Cc1ccc(SCc2cc3c(cc2Cl)OCO3)c(NC(=O)C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.