Using Cc1cc(C(=Cc2nnnn2C)c2ccc(F)c(C)c2)ccc1F, CCOC=O to produce Cc1cc(C(=C(C=O)c2nnnn2C)c2ccc(F)c(C)c2)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.