Using CCOC(=O)Cc1csc(N)n1, Cc1cc(C)cc(S(=O)(=O)N2CCc3ccc(C(=O)O)cc32)c1 to produce CCOC(=O)Cc1csc(NC(=O)c2ccc3c(c2)N(S(=O)(=O)c2cc(C)cc(C)c2)CC3)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.