Using CCCc1c(CC(C)C)csc1C(=O)CCc1cc(C)c(O)c(C)c1, OC[C@H](O)CCl to produce CCCc1c(CC(C)C)csc1C(=O)CCc1cc(C)c(OC[C@@H](O)CO)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.