Using CC=NN(c1ccc(OC)cc1)c1nc(SC)nc2ccccc12, CC(=O)CCC(=O)O to produce COc1ccc2c(c1)c(CC(=O)O)c(C)n2-c1nc(SC)nc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.