Using NC1=NC(=CCC(=O)Nc2ccc(Cl)cc2)CS1, CN=C=O to produce CNC(=O)NC1=NC(=CCC(=O)Nc2ccc(Cl)cc2)CS1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.