Using CCOC(=O)c1cn(C(C)(C)C)c2nc(SCC)c(F)cc2c1=O to produce CCSc1nc2c(cc1F)c(=O)c(C(=O)O)cn2C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.