Using COC(=O)c1cc(-c2cccc(COc3ccc4c(c3)CN(C3CCCC3)C4=O)c2)ccc1Cl to produce O=C(O)c1cc(-c2cccc(COc3ccc4c(c3)CN(C3CCCC3)C4=O)c2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.