Using COC(=O)[C@H](C/C=C/c1ccc(C2(OC)CCOCC2)cc1)NC(=O)c1c(Cl)cccc1Cl to produce COC1(c2ccc(/C=C/C[C@H](NC(=O)c3c(Cl)cccc3Cl)C(=O)O)cc2)CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.