Using ClCC1CO1, COc1ccc2c(=O)c(-c3ccc(O)cc3)coc2c1 to produce COc1ccc2c(=O)c(-c3ccc(OCC4CO4)cc3)coc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.