Using OCCCO, Clc1cc(N2CCOCC2)[o+]c2c(-c3ccccc3)cccc12 to produce OCCCOc1cc(N2CCOCC2)[o+]c2c(-c3ccccc3)cccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.