Using COc1ccc(C2CCN(C(=O)OC(C)(C)C)CC2)c2sc(NC(=O)c3ccc(F)cc3)nc12 to produce COc1ccc(C2CCNCC2)c2sc(NC(=O)c3ccc(F)cc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.