Using CC1(C)OCC(CO)O1, COCc1c[nH]c(-c2ccc(O)cc2)n1 to produce COCc1c[nH]c(-c2ccc(OCC(O)CO)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.