Using Cc1c(-c2ccccc2)oc2c(O)cccc2c1=O, ClCC1CO1 to produce Cc1c(-c2ccccc2)oc2c(OCC3CO3)cccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.