Using CNC(=O)c1cc(Oc2ccc3nc(SC)sc3c2)ccn1, O=C(OO)c1cccc(Cl)c1 to produce CNC(=O)c1cc(Oc2ccc3nc(S(C)=O)sc3c2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.