Using CC(=O)NCCc1cccc2ccc(OCCCOS(C)(=O)=O)cc12 to produce CC(=O)NCCc1cccc2ccc(OCCCOc3ccc4cccc(CCNC(C)=O)c4c3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.