Using CC(C)(C)[O-], COc1ccc(CN2C(=O)c3ccccc3C2=O)cc1C=O to produce C=Cc1cc(CN2C(=O)c3ccccc3C2=O)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.