Using CC(C)(C)OC(=O)CC1(NS(=O)C(C)(C)C)c2cc(Br)ccc2Oc2c1cc(Cl)nc2F to produce CC(C)(C)S(=O)NC1(CCO)c2cc(Br)ccc2Oc2c1cc(Cl)nc2F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.