Using Cc1ccc(-c2cc3c(cnn3C3CCCCO3)cc2OCc2ccccc2)cn1 to produce Cc1ccc(-c2cc3c(cnn3C3CCCCO3)cc2O)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.