Using CS(=O)(=O)Cl, O=C(Nc1ccc(CO)cc1)C1=Cc2cc(-c3ccccc3)ccc2CC1 to produce O=C(Nc1ccc(CCl)cc1)C1=Cc2cc(-c3ccccc3)ccc2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.