Using O=C(O)c1ccccc1, CCOP(=O)(OCC)c1cc2cc(S(N)(=O)=O)c(Cl)cc2[nH]c1=O to produce CCOP(=O)(OCC)c1cc2cc(S(=O)(=O)NC(=O)c3ccccc3)c(Cl)cc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.