Using CS(=O)(=O)Cl, CCC(C)Oc1cccc(Cc2ncc(CO)c3cc(OC)c(OC)cc23)c1 to produce CCC(C)Oc1cccc(Cc2ncc(CCl)c3cc(OC)c(OC)cc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.