Using CCn1c(-c2cccc(OC)c2)nc2cc(C3=NN(CCOC4CCCCO4)C(=O)SC3)ccc21 to produce CCn1c(-c2cccc(OC)c2)nc2cc(C3=NN(CCO)C(=O)SC3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.