Using ClCC1CO1, CCn1ncc2c(NCC3CCCCC3)c3cc(O)ccc3nc21 to produce CCn1ncc2c(NCC3CCCCC3)c3cc(OCC4CO4)ccc3nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.