Using CSc1ccc(-c2ccc(NC(=O)C3CCN(C(=O)OC(C)C)CC3)cn2)c(F)c1 to produce CSc1ccc(-c2ccc(NCC3CCN(C(=O)OC(C)C)CC3)cn2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.