Using CN1C(=O)S/C(=C\c2cn(-c3ccccc3)nc2OCc2ccccc2)C1=O to produce CN1C(=O)SC(Cc2cn(-c3ccccc3)nc2OCc2ccccc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.