Using CCCC(=O)Cl, CCCCCCCCNC(C)C(O)c1ccc(SC(C)C)cc1 to produce CCCCCCCCNC(C)C(OC(=O)CCC)c1ccc(SC(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.