Using O=C1C=CC(=O)O1, CC(C)(C)c1cc(Nc2ccccc2)cc(C(C)(C)C)c1O to produce CC(C)(C)c1cc(N(C(=O)/C=C\C(=O)O)c2ccccc2)cc(C(C)(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.