Using COc1cc(C(O)CN(C)C(=O)/C=C/c2cccnc2)ccc1O to produce COc1cc(C(=O)CN(C)C(=O)/C=C/c2cccnc2)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.