Using C=CCI, O=C(O)C(CCc1ccc(Cl)cc1)(Cn1cncn1)c1ccccc1 to produce C=CCOC(=O)C(CCc1ccc(Cl)cc1)(Cn1cncn1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.