Using CN(C)CCOc1ccc2c(c1)OC(C)(C)C=C2c1cccc(C(F)(F)F)c1 to produce CN(C)CCOc1ccc2c(c1)OC(C)(C)CC2c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.