Using OCc1cccc(/C=C/c2ccc3ccccc3n2)c1, O=C1CCC(=O)N1Cl to produce ClCc1cccc(/C=C/c2ccc3ccccc3n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.