Using CCOC(=O)c1csc(Nc2ccccc2/C=C/c2n[nH]c3ccccc23)n1 to produce O=C(O)c1csc(Nc2ccccc2/C=C/c2n[nH]c3ccccc23)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.