Using OC1CCCC1, O=C(O)CSc1cc(N2C(=O)C3=C(CCCC3)C2=O)ccc1Cl to produce O=C(CSc1cc(N2C(=O)C3=C(CCCC3)C2=O)ccc1Cl)OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.