Using NCC(=O)O, CCCCOC(=O)c1ncc2cc(Oc3ccc(NS(=O)(=O)c4ccc(C)cc4)cc3)ccc2c1O to produce Cc1ccc(S(=O)(=O)Nc2ccc(Oc3ccc4c(O)c(C(=O)NCC(=O)O)ncc4c3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.