Using O=C1N(C(c2ccccc2)c2ccccc2)c2c(F)cccc2C12COc1cc3c(cc12)OCCO3 to produce O=C1Nc2c(F)cccc2C12COc1cc3c(cc12)OCCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.