Using CSSC, CC(C)(C)OC(=O)NCCOc1noc2ccc(F)cc12 to produce CSc1c(F)ccc2onc(OCCNC(=O)OC(C)(C)C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.