Using CCOC(=O)C1CCCN(C(=O)/C=C/c2ccc(Sc3ccc4c(c3)OCCO4)c(Cl)c2Cl)C1 to produce O=C(O)C1CCCN(C(=O)/C=C/c2ccc(Sc3ccc4c(c3)OCCO4)c(Cl)c2Cl)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.