Using CC(C)(C)OC(=O)N1CCC(CCOS(C)(=O)=O)CC1, OCc1cc2cnccc2o1 to produce CC(C)(C)OC(=O)N1CCC(CCOCc2cc3cnccc3o2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.