Using CCOC(=O)CN(Cc1c(C(=O)OCC)c(Br)c(Br)n1Cc1ccc(F)cc1)S(=O)(=O)c1ccc(C)cc1 to produce CCOC(=O)c1ncc2c(c1O)c(Br)c(Br)n2Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.