Using Cc1nc2c(C)cccn2c(=O)c1C, COc1cc(C=O)cc(OC)c1OC to produce COc1cc(/C=C/c2nc3c(C)cccn3c(=O)c2C)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.